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Recent Articles in Phys. Rev. D



Recent articles in Physical Review D



Published: 2017-03-28T12:00:10-04:00

 



Anatomy of the chiral magnetic effect in and out of equilibrium

2017-03-28T10:00:00-04:00

Author(s): Dmitri Kharzeev, Mikhail Stephanov, and Ho-Ung Yee

The authors have identified a new contribution, the magnetization current, to the chiral magnetic effect at finite frequency, thereby enabling them to reproduce the field theoretic results of AC chiral magnetic response via kinetic theory. The calculation is extended to out of equilibrium states and to general g-factors, thereby raising the possibility of testing the results in Dirac and Weyl semi-metals.

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[Phys. Rev. D 95, 051901(R)] Published Tue Mar 28, 2017



Tracing the pressure of the gluon plasma

2017-03-28T10:00:00-04:00

Author(s): G. Jackson and A. Peshier
Being interested in how a strongly coupled system approaches asymptotic freedom, we reexamine existing precision lattice QCD results for thermodynamic properties of the gluon plasma in a large temperature range. We discuss and thoroughly test the applicability of perturbative results, on which groun…
[Phys. Rev. D 95, 054021] Published Tue Mar 28, 2017



Reweighting complex Langevin trajectories

2017-03-28T10:00:00-04:00

Author(s): Jacques Bloch
Although the complex Langevin method can solve the sign problem in simulations of theories with complex actions, the method will yield the wrong results if known validity conditions are not satisfied. We present a novel method to compute observables for a target ensemble by reweighting complex traje…
[Phys. Rev. D 95, 054509] Published Tue Mar 28, 2017



Light-quark contributions to the magnetic form factor of the Λ(1405)

2017-03-28T10:00:00-04:00

Author(s): Jonathan M. M. Hall, Waseem Kamleh, Derek B. Leinweber, Benjamin J. Menadue, Benjamin J. Owen, and Anthony W. Thomas
In a recent study of the Λ(1405) the suppression of the strange-quark contribution to the magnetic form factor was interpreted as the discovery of a dominant antikaon-nucleon composition for this low-lying state. We confirm this result by calculating the light u and d quark contributions to the Λ(14…
[Phys. Rev. D 95, 054510] Published Tue Mar 28, 2017



Boxes, boosts, and energy duality: Understanding the Galactic Center gamma-ray excess through Dynamical Dark Matter

2017-03-28T10:00:00-04:00

Author(s): Kimberly K. Boddy, Keith R. Dienes, Doojin Kim, Jason Kumar, Jong-Chul Park, and Brooks Thomas
Many models currently exist which attempt to interpret the excess of gamma rays emanating from the Galactic Center in terms of annihilating or decaying dark matter. These models typically exhibit a variety of complicated cascade mechanisms for photon production, leading to a nontrivial kinematics wh…
[Phys. Rev. D 95, 055024] Published Tue Mar 28, 2017



Revisiting Zbb [over ¯] couplings in the littlest Higgs model with T parity under current experimental constraints

2017-03-28T10:00:00-04:00

Author(s): Bingfang Yang and Jinzhong Han
In the littlest Higgs model with T parity (LHT), we revisited Zbb[over ¯] couplings under current experimental constraints including the LHC Higgs data and the precision electroweak data. We study the LHT effects in the branching ratio R_{b}, the forward-backward asymmetry A_{FB}^{b} and the left- a…
[Phys. Rev. D 95, 055025] Published Tue Mar 28, 2017



Constraining Higgs boson effective couplings at electron-positron colliders

2017-03-28T10:00:00-04:00

Author(s): Hamzeh Khanpour and Mojtaba Mohammadi Najafabadi
We probe the dimension-six operators contributing to Higgs production in association with a Z boson at the future high-luminosity electron-positron colliders. Potential constraints on dimension-six operators in the Higgs sector are determined by performing a shape analysis on the differential angula…
[Phys. Rev. D 95, 055026] Published Tue Mar 28, 2017



Using the Tsallis distribution for hadron spectra in pp collisions: Pions and quarkonia at sqrt[s] =5−13000 GeV

2017-03-28T10:00:00-04:00

Author(s): Smbat Grigoryan
A thermal model, based on the Tsallis distribution and blast-wave model, is proposed to compute hadron double-differential spectra d^{2}N/dp_{T}dy in pp (also high-energy pp[over ¯]) collisions. It successfully describes the available experimental data on pion and quarkonia [ϕ, J/ψ, ψ(2S), ϒ family]…
[Phys. Rev. D 95, 056021] Published Tue Mar 28, 2017



Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914

2017-03-28T10:00:00-04:00

Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration)
In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an estimate from each detector’s differential arm length control loop readout signals …
[Phys. Rev. D 95, 062003] Published Tue Mar 28, 2017



Discovery of a new extragalactic population of energetic particles

2017-03-28T10:00:00-04:00

Author(s): Anthony M. Brown, Céline Bœhm, Jamie Graham, Thomas Lacroix, Paula Chadwick, and Joseph Silk

Brown et al. find a statistically significant deviation in the gamma-ray spectrum from Centuarus A’s core as measured by the Fermi-LAT telescope. To account for the data may require a new mechanism for gamma-ray production and could constitute the first evidence of heavy dark matter particle clustering around black holes.

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[Phys. Rev. D 95, 063018] Published Tue Mar 28, 2017



Bounce and cyclic cosmology in weakly broken Galileon theories

2017-03-28T10:00:00-04:00

Author(s): Shreya Banerjee and Emmanuel N. Saridakis
We investigate the bounce and cyclicity realization in the framework of weakly broken Galileon theories. We study bouncing and cyclic solutions at the background level, reconstructing the potential and the Galileon functions that can give rise to a given scale factor and presenting analytical expres…
[Phys. Rev. D 95, 063523] Published Tue Mar 28, 2017



Quantum stress tensor fluctuations and primordial gravity waves

2017-03-28T10:00:00-04:00

Author(s): Jen-Tsung Hsiang, L. H. Ford, Kin-Wang Ng, and Chun-Hsien Wu
We examine the effect of the stress tensor of a quantum matter field, such as the electromagnetic field, on the spectrum of primordial gravity waves expected in inflationary cosmology. We find that the net effect is a small reduction in the power spectrum, especially at higher frequencies, but which…
[Phys. Rev. D 95, 063524] Published Tue Mar 28, 2017



Cosmological parameters from pre-Planck CMB measurements: A 2017 update

2017-03-28T10:00:00-04:00

Author(s): Erminia Calabrese, Renée A. Hložek, J. Richard Bond, Mark J. Devlin, Joanna Dunkley, Mark Halpern, Adam D. Hincks, Kent D. Irwin, Arthur Kosowsky, Kavilan Moodley, Laura B. Newburgh, Michael D. Niemack, Lyman A. Page, Blake D. Sherwin, Jonathan L. Sievers, David N. Spergel, Suzanne T. Staggs, and Edward J. Wollack
We present cosmological constraints from the combination of the full mission nine-year WMAP release and small-scale temperature data from the pre-Planck Atacama Cosmology Telescope (ACT) and South Pole Telescope (SPT) generation of instruments. This is an update of the analysis presented in Calabres…
[Phys. Rev. D 95, 063525] Published Tue Mar 28, 2017



Einstein-Cartan wormhole solutions

2017-03-28T10:00:00-04:00

Author(s): Mohammad Reza Mehdizadeh and Amir Hadi Ziaie
In the present work, we investigate wormhole structures and the energy conditions supporting them in Einstein-Cartan theory. The matter content consists of a Weyssenhoff fluid along with an anisotropic matter which together generalize the anisotropic energy momentum tensor in general relativity (GR)…
[Phys. Rev. D 95, 064049] Published Tue Mar 28, 2017



Radial acceleration relation from symmetron fifth forces

2017-03-28T10:00:00-04:00

Author(s): Clare Burrage, Edmund J. Copeland, and Peter Millington
We show that the radial acceleration relation for rotationally supported galaxies may be explained, in the absence of cold dark matter, by a nonminimally coupled scalar field, whose fifth forces are partially screened on galactic scales by the symmetron mechanism. In addition, we show that sufficien…
[Phys. Rev. D 95, 064050] Published Tue Mar 28, 2017



New terms for scalar multi-Galileon models and application to SO(N) and SU(N) group representations

2017-03-28T10:00:00-04:00

Author(s): Erwan Allys
We investigate a new class of scalar multi-Galileon models, which is not included in the commonly admitted general formulation of generalized multi-Galileons. The Lagrangians of this class of models, some of them having already been introduced in previous works, are specific to multi-Galileon theori…
[Phys. Rev. D 95, 064051] Published Tue Mar 28, 2017



Casimir effect for parallel plates in a Friedmann-Robertson-Walker universe

2017-03-28T10:00:00-04:00

Author(s): E. R. Bezerra de Mello, A. A. Saharian, and M. R. Setare
We evaluate the Hadamard function, the vacuum expectation values (VEVs) of the field squared and the energy-momentum tensor for a massive scalar field with a general curvature coupling parameter in the geometry of two parallel plates on a spatially flat Friedmann-Robertson-Walker background with a g…
[Phys. Rev. D 95, 065024] Published Tue Mar 28, 2017



Adiabatic regularization for gauge fields and the conformal anomaly

2017-03-28T10:00:00-04:00

Author(s): Chong-Sun Chu and Yoji Koyama
Adiabatic regularization for quantum field theory in conformally flat spacetime is known for scalar and Dirac fermion fields. In this paper, we complete the construction by establishing the adiabatic regularization scheme for the gauge field. We show that the adiabatic expansion for the mode functio…
[Phys. Rev. D 95, 065025] Published Tue Mar 28, 2017



Supergravity with doubled spacetime structure

2017-03-28T10:00:00-04:00

Author(s): Chen-Te Ma and Franco Pezzella
Double field theory (DFT) is a low-energy effective theory of a manifestly O(D,D)-invariant formulation of the closed-string theory. The theory is based on a doubling of the D-dimensional spacetime structure and, in order to preserve the gauge symmetry provided by the invariance under generalized di…
[Phys. Rev. D 95, 066016] Published Tue Mar 28, 2017



String dynamics and metastability of all-heavy tetraquarks

2017-03-27T10:00:00-04:00

Author(s): Jean-Marc Richard, A. Valcarce, and J. Vijande
Multiquark states have been advocated to explain recent experimental data in the heavy-light sector, and there are already speculations about multiquarks containing only heavy quarks and antiquarks. With a rigorous treatment of the four-body problem in current quark models, full-charm (ccc[over ¯]c[…
[Phys. Rev. D 95, 054019] Published Mon Mar 27, 2017



Chiral density wave versus pion condensation in the (1+1)-dimensional NJL model

2017-03-27T10:00:00-04:00

Author(s): Prabal Adhikari and Jens O. Andersen
In this paper, we study the possibility of an inhomogeneous quark condensate in the (1+1)-dimensional Nambu-Jona-Lasinio model in the large-N_{c} limit at finite temperature T and quark chemical potential μ using dimensional regularization. The phase diagram in the μ–T plane is mapped out. At zero t…
[Phys. Rev. D 95, 054020] Published Mon Mar 27, 2017



Probing the MSSM explanation of the muon g-2 anomaly in dark matter experiments and at a 100 TeV pp collider

2017-03-27T10:00:00-04:00

Author(s): Archil Kobakhidze, Matthew Talia, and Lei Wu
We explore the ability of current and future dark matter and collider experiments in probing the anomalous magnetic moment of the muon, (g−2)_{μ}, within the minimal supersymmetric standard model (MSSM). We find that the latest PandaX-II/LUX-2016 data give a strong constraint on parameter space that…
[Phys. Rev. D 95, 055023] Published Mon Mar 27, 2017



Pion distribution amplitude and quasidistributions

2017-03-27T10:00:00-04:00

Author(s): A. V. Radyushkin
We extend our analysis of quasidistributions onto the pion distribution amplitude. Using the formalism of parton virtuality distribution amplitudes, we establish a connection between the pion transverse momentum dependent distribution amplitude Ψ(x,k_{⊥}^{2}) and the pion quasidistribution amplitude…
[Phys. Rev. D 95, 056020] Published Mon Mar 27, 2017



Holographic heavy-light chiral effective action

2017-03-27T10:00:00-04:00

Author(s): Yizhuang Liu and Ismail Zahed
We propose a variant of the D4−D8 construction to describe the low-energy effective theory of heavy-light mesons, interacting with the lowest lying pseudoscalar and vector mesons. The heavy degrees of freedom are identified with the D8_{L}−D8_{H} string low-energy modes, and are approximated near th…
[Phys. Rev. D 95, 056022] Published Mon Mar 27, 2017



Validating gravitational-wave detections: The Advanced LIGO hardware injection system

2017-03-27T10:00:00-04:00

Author(s): C. Biwer et al.
Hardware injections are simulated gravitational-wave signals added to the Laser Interferometer Gravitational-wave Observatory (LIGO). The detectors’ test masses are physically displaced by an actuator in order to simulate the effects of a gravitational wave. The simulated signal initiates a control-…
[Phys. Rev. D 95, 062002] Published Mon Mar 27, 2017



Systematic study of the stochastic gravitational-wave background due to stellar core collapse

2017-03-27T10:00:00-04:00

Author(s): K. Crocker, T. Prestegard, V. Mandic, T. Regimbau, K. Olive, and E. Vangioni
Stellar core collapse events are expected to produce gravitational waves via several mechanisms, most of which are not yet fully understood due to the current limitations in the numerical simulations of these events. In this paper, we begin with an empirical functional form that fits the gravitation…
[Phys. Rev. D 95, 063015] Published Mon Mar 27, 2017



General relativistic magnetohydrodynamic simulations of binary neutron star mergers forming a long-lived neutron star

2017-03-27T10:00:00-04:00

Author(s): Riccardo Ciolfi, Wolfgang Kastaun, Bruno Giacomazzo, Andrea Endrizzi, Daniel M. Siegel, and Rosalba Perna
Merging binary neutron stars (BNSs) represent the ultimate targets for multimessenger astronomy, being among the most promising sources of gravitational waves (GWs), and, at the same time, likely accompanied by a variety of electromagnetic counterparts across the entire spectrum, possibly including …
[Phys. Rev. D 95, 063016] Published Mon Mar 27, 2017



Axion astronomy with microwave cavity experiments

2017-03-27T10:00:00-04:00

Author(s): Ciaran A. J. O’Hare and Anne M. Green
Terrestrial searches for the conversion of dark matter axions or axionlike particles into photons inside magnetic fields are sensitive to the phase space structure of the local Milky Way halo. We simulate signals in a hypothetical future experiment based on the Axion Dark Matter Experiment that coul…
[Phys. Rev. D 95, 063017] Published Mon Mar 27, 2017



Solar neutrino spectrum of quark nugget dark matter

2017-03-27T10:00:00-04:00

Author(s): K. Lawson and A. R. Zhitnitsky
The capture of dark matter by the Sun and its subsequent annihilation may produce an observable feature in the solar neutrino spectrum. We analyze this possibility in the case where the dark matter takes the form of heavy nuggets of quark matter. In this scenario neutrinos are produced in nuclear an…
[Phys. Rev. D 95, 063521] Published Mon Mar 27, 2017



Unequal-time correlators for cosmology

2017-03-27T10:00:00-04:00

Author(s): T. D. Kitching and A. F. Heavens
Measurements of the power spectrum from large-scale structure surveys have, to date, assumed an equal-time approximation, where the full cross-correlation power spectrum of the matter density field evaluated at different times (or distances) has been approximated either by the power spectrum at a fi…
[Phys. Rev. D 95, 063522] Published Mon Mar 27, 2017



What is a singular black hole beyond general relativity?

2017-03-27T10:00:00-04:00

Author(s): Cecilia Bejarano, Gonzalo J. Olmo, and Diego Rubiera-Garcia
Exploring the characterization of singular black hole spacetimes, we study the relation between energy density, curvature invariants, and geodesic completeness using a quadratic f(R) gravity theory coupled to an anisotropic fluid. Working in a metric-affine approach, our models and solutions represe…
[Phys. Rev. D 95, 064043] Published Mon Mar 27, 2017



Holography versus correspondence principle: Eternal Schwarzschild–anti–de Sitter geometry

2017-03-27T10:00:00-04:00

Author(s): Slava Emelyanov
It is shown that the correspondence principle and the holographic principle are incompatible in the background of an eternal Schwarzschild–anti–de Sitter geometry. The argument is based on the observation that algebraic structures of local quantum field and conformal field theory (CFT) operators are…
[Phys. Rev. D 95, 064044] Published Mon Mar 27, 2017



More on the bending of light in quantum gravity

2017-03-27T10:00:00-04:00

Author(s): Dong Bai and Yue Huang
We reconsider the long-range effects of the scattering of massless scalars and photons from a massive scalar object in quantum gravity. At the one-loop level, the relevant quantum mechanical corrections could be sorted into the graviton double-cut contributions, massless-scalar double-cut contributi…
[Phys. Rev. D 95, 064045] Published Mon Mar 27, 2017



Superradiant instability of near extremal and extremal four-dimensional charged hairy black holes in anti–de Sitter spacetime

2017-03-27T10:00:00-04:00

Author(s): P. A. González, Eleftherios Papantonopoulos, Joel Saavedra, and Yerko Vásquez
We study the instability of near extremal and extremal four-dimensional anti-de Sitter charged hairy black holes to radial neutral massive and charged massless scalar field perturbations. We solve the scalar field equation by using the improved asymptotic iteration method and the time domain analysi…
[Phys. Rev. D 95, 064046] Published Mon Mar 27, 2017



Evolution of spherical domain walls in solitonic symmetron models

2017-03-27T10:00:00-04:00

Author(s): Marzieh Peyravi, Nematollah Riazi, and Francisco S. N. Lobo
In this work, inspired by the symmetron model, we analyze the evolution of spherical domain walls by considering specific potentials that ensure symmetry breaking and the occurrence of degenerate vacua that are necessary for the formation of domain walls. By considering a simple analytical model of …
[Phys. Rev. D 95, 064047] Published Mon Mar 27, 2017



Generalized Brans-Dicke theory: A dynamical systems analysis

2017-03-27T10:00:00-04:00

Author(s): Nandan Roy and Narayan Banerjee
The stability criteria for the generalized Brans-Dicke cosmology in a spatially flat, homogeneous and isotropic cosmological model is discussed in the presence of a perfect fluid. The generalization comes through the channel that the Brans-Dicke coupling parameter ω is allowed to be a function of th…
[Phys. Rev. D 95, 064048] Published Mon Mar 27, 2017



Conformal embeddings and higher-spin bulk duals

2017-03-27T10:00:00-04:00

Author(s): Dushyant Kumar and Menika Sharma
It is well known that conformal embeddings can be used to construct nondiagonal modular invariants for affine Lie algebras. This idea can be extended to construct infinite series of nondiagonal modular invariants for coset conformal field theories (CFTs). In this paper, we systematically approach th…
[Phys. Rev. D 95, 066015] Published Mon Mar 27, 2017



Neutrino-induced one-pion production revisited: The ν_{μ} n→μ^{−} nπ^{+} channel

2017-03-24T10:00:00-04:00

Author(s): E. Hernández and J. Nieves
Understanding single pion production reactions on free nucleons is the first step towards a correct description of these processes in nuclei, which are important for signal and background contributions in current and near future accelerator neutrino oscillation experiments. In this work, we reanalyz…
[Phys. Rev. D 95, 053007] Published Fri Mar 24, 2017



Long gradient mode and large-scale structure observables

2017-03-24T10:00:00-04:00

Author(s): Alireza Allahyari and Javad T. Firouzjaee
We extend the study of long-mode perturbations to other large-scale observables such as cosmic rulers, galaxy-number counts, and halo bias. The long mode is a pure gradient mode that is still outside an observer’s horizon. We insist that gradient-mode effects on observables vanish. It is also crucia…
[Phys. Rev. D 95, 063519] Published Fri Mar 24, 2017



Numerical simulations of necklaces in SU(2) gauge-Higgs field theory

2017-03-24T10:00:00-04:00

Author(s): Mark Hindmarsh, Kari Rummukainen, and David J. Weir
We perform the first numerical simulations of necklaces in a non-Abelian gauge theory. Necklaces are composite classical solutions which can be interpreted as monopoles trapped on strings, rather generic structures in a Grand Unified Theory. We generate necklaces from random initial conditions, mode…
[Phys. Rev. D 95, 063520] Published Fri Mar 24, 2017



Maximum magnetic moment to angular momentum conjecture

2017-03-24T10:00:00-04:00

Author(s): John D. Barrow and G. W. Gibbons
Conjectures play a central role in theoretical physics, especially those that assert an upper bound to some dimensionless ratio of physical quantities. In this paper we introduce a new such conjecture bounding the ratio of the magnetic moment to angular momentum in nature. We also discuss the curren…
[Phys. Rev. D 95, 064040] Published Fri Mar 24, 2017



Effective loop quantum geometry of Schwarzschild interior

2017-03-24T10:00:00-04:00

Author(s): Jerónimo Cortez, William Cuervo, Hugo A. Morales-Técotl, and Juan C. Ruelas
The success of loop quantum cosmology to resolve classical singularities of homogeneous models has led to its application to the classical Schwarszchild black hole interior, which takes the form of a homogeneous Kantowski-Sachs model. The first steps of this were done in pure quantum mechanical term…
[Phys. Rev. D 95, 064041] Published Fri Mar 24, 2017



Gravitational waves emitted by a particle rotating around a Schwarzschild black hole: A semiclassical approach

2017-03-24T10:00:00-04:00

Author(s): Rafael P. Bernar, Luís C. B. Crispino, and Atsushi Higuchi
We analyze the gravitational radiation emitted from a particle in circular motion around a Schwarzschild black hole using the framework of quantum field theory in curved spacetime at tree level. The gravitational perturbations are written in a gauge-invariant formalism for spherically symmetric spac…
[Phys. Rev. D 95, 064042] Published Fri Mar 24, 2017



Role of spatial higher order derivatives in momentum space entanglement

2017-03-24T10:00:00-04:00

Author(s): S. Santhosh Kumar and S. Shankaranarayanan
We study the momentum space entanglement between different energy modes of interacting scalar fields propagating in general (D+1)-dimensional flat space-time. As opposed to some of the recent works [V. Balasubramanian et al., Phys. Rev. D 86, 045014 (2012)], we use a Lorentz invariant normalized gro…
[Phys. Rev. D 95, 065023] Published Fri Mar 24, 2017



Chaotic dynamics of strings in charged black hole backgrounds

2017-03-24T10:00:00-04:00

Author(s): Pallab Basu, Pankaj Chaturvedi, and Prasant Samantray
We study the motion of a string in the background of a Reissner-Nordstrom black hole, in both anti–de Sitter as well as asymptotically flat spacetimes. We describe the phase space of this dynamical system through the largest Lyapunov exponent, Poincaré sections and basins of attraction. We observe t…
[Phys. Rev. D 95, 066014] Published Fri Mar 24, 2017



Measurements of charm mixing and CP violation using D^{0} →K^{±} π^{∓} decays

2017-03-23T10:00:00-04:00

Author(s): R. Aaij et al. (LHCb Collaboration)
Measurements of charm mixing and CP violation parameters from the decay-time-dependent ratio of D^{0}→K^{+}π^{−} to D^{0}→K^{−}π^{+} decay rates and the charge-conjugate ratio are reported. The analysis uses B[over ¯]→D^{*+}μ^{−}X, and charge-conjugate decays, where D^{*+}→D^{0}π^{+}, and D^{0}→K^{∓…
[Phys. Rev. D 95, 052004] Published Thu Mar 23, 2017



Some properties of the states at the hidden-strangeness mixed 1/2^{+} +1/2^{−} heavy meson pair threshold in e^{+} e^{−} annihilation

2017-03-23T10:00:00-04:00

Author(s): M. B. Voloshin
The threshold behavior of e^{+}e^{−} annihilation is considered in the channels B_{s0}B[over ¯]_{s}^{*}+c.c., B_{s1}B[over ¯]_{s}+c.c., and B_{s1}B[over ¯]_{s}^{*}+c.c., where B_{s0} and B_{s1} are the excited bottom-strange J^{P}=0^{+} and J^{P}=1^{+} mesons. It is argued that due to the heavy quar…
[Phys. Rev. D 95, 054017] Published Thu Mar 23, 2017



New approach to the resummation of logarithms in Higgs-boson decays to a vector quarkonium plus a photon

2017-03-23T10:00:00-04:00

Author(s): Geoffrey T. Bodwin, Hee Sok Chung, June-Haak Ee, and Jungil Lee
We present a calculation of the rates for Higgs-boson decays to a vector heavy-quarkonium state plus a photon, where the heavy-quarkonium states are the J/ψ and the ϒ(nS) states, with n=1, 2, or 3. The calculation is carried out in the light-cone formalism, combined with nonrelativistic QCD factoriz…
[Phys. Rev. D 95, 054018] Published Thu Mar 23, 2017



Studies of the hybrid star structure within 2+1 flavors NJL model

2017-03-23T10:00:00-04:00

Author(s): Cheng-Ming Li, Jin-Li Zhang, Tong Zhao, Ya-Peng Zhao, and Hong-Shi Zong
In this paper, we use the equation of state (EOS) of the 2+1 flavors Nambu-Jona-Lasinio (NJL) model to study the structure of compact stars. To avoid the ultraviolet divergence, we employ the proper-time regularization (PTR) with an ultraviolet cutoff. For comparison, we fix three sets of parameters…
[Phys. Rev. D 95, 056018] Published Thu Mar 23, 2017



Noncommutative geometry of Zitterbewegung

2017-03-23T10:00:00-04:00

Author(s): Michał Eckstein, Nicolas Franco, and Tomasz Miller
Drawing from the advanced mathematics of noncommutative geometry, we model a “classical” Dirac fermion propagating in a curved spacetime. We demonstrate that the inherent causal structure of the model encodes the possibility of Zitterbewegung—the “trembling motion” of the fermion. We recover the wel…
[Phys. Rev. D 95, 061701(R)] Published Thu Mar 23, 2017



Example of an inhomogeneous cosmological model in the context of backreaction

2017-03-23T10:00:00-04:00

Author(s): Szymon Sikora and Krzysztof Głód
In this article, we present an example of an inhomogeneous cosmological model, which is inspired by the linear perturbation theory. The metric of this model can be described as the Einstein–de Sitter background with periodically distributed dust overdensities. The model construction enables applicat…
[Phys. Rev. D 95, 063517] Published Thu Mar 23, 2017



Inflationary theory and pulsar timing investigations of primordial black holes and gravitational waves

2017-03-23T10:00:00-04:00

Author(s): Nicholas Orlofsky, Aaron Pierce, and James D. Wells
The gravitational waves measured at LIGO are presumed here to come from merging primordial black holes. We ask how these primordial black holes could arise through inflationary models while not conflicting with current experiments. Among the approaches that work, we investigate the opportunity for c…
[Phys. Rev. D 95, 063518] Published Thu Mar 23, 2017



Multipartite entanglement and firewalls

2017-03-23T10:00:00-04:00

Author(s): Shengqiao Luo, Henry Stoltenberg, and Andreas Albrecht
Black holes offer an exciting area to explore the nature of quantum gravity. The classic work on Hawking radiation indicates that black holes should decay via quantum effects, but our ideas about how this might work at a technical level are incomplete. Recently Almheiri-Marolf-Polchinski-Sully (AMPS…
[Phys. Rev. D 95, 064039] Published Thu Mar 23, 2017



Detecting supernova neutrinos with iron and lead detectors

2017-03-23T10:00:00-04:00

Author(s): Abhijit Bandyopadhyay, Pijushpani Bhattacharjee, Sovan Chakraborty, Kamales Kar, and Satyajit Saha
Supernova (SN) neutrinos can excite the nuclei of various detector materials beyond their neutron emission thresholds through charged current (CC) and neutral current (NC) interactions. The emitted neutrons, if detected, can be a signal for the supernova event. Here we present the results of our stu…
[Phys. Rev. D 95, 065022] Published Thu Mar 23, 2017



Publisher’s Note: Supersymmetric Sachdev-Ye-Kitaev models [Phys. Rev. D 95, 026009 (2017)]

2017-03-23T10:00:00-04:00

Author(s): Wenbo Fu, Davide Gaiotto, Juan Maldacena, and Subir Sachdev
[Phys. Rev. D 95, 069904] Published Thu Mar 23, 2017



Measurement of the B^{±} production asymmetry and the CP asymmetry in B^{±} →J/ψK^{±} decays

2017-03-22T10:00:00-04:00

Author(s): R. Aaij et al. (LHCb Collaboration)
The B^{±} meson production asymmetry in pp collisions is measured using B^{+}→D[over ¯]^{0}π^{+} decays. The data were recorded by the LHCb experiment during Run 1 of the LHC at center-of-mass energies of sqrt[s]=7 and 8 TeV. The production asymmetries, integrated over transverse momenta in the rang…
[Phys. Rev. D 95, 052005] Published Wed Mar 22, 2017



One spatial dimensional finite volume three-body interaction for a short-range potential

2017-03-22T10:00:00-04:00

Author(s): Peng Guo
In this work, we use McGuire’s model to describe scattering of three spinless identical particles in one spatial dimension; we first present analytic solutions of Faddeev’s equation for scattering of three spinless particles in free space. The three particles interaction in finite volume is derived …
[Phys. Rev. D 95, 054508] Published Wed Mar 22, 2017



Radiative corrections to Higgs boson masses for the MSSM Higgs potential with dimension-six operators

2017-03-22T10:00:00-04:00

Author(s): M. N. Dubinin and E. Yu. Petrova
In the framework of the effective field theory approach to heavy supersymmetry radiative corrections in the Higgs sector of the minimal supersymmetric standard model (MSSM) for the effective potential decomposition up to the dimension-six operators are calculated. Symbolic expressions for the thresh…
[Phys. Rev. D 95, 055021] Published Wed Mar 22, 2017



Constraints on L_{μ} −L_{τ} gauge interactions from rare kaon decay

2017-03-22T10:00:00-04:00

Author(s): Masahiro Ibe, Wakutaka Nakano, and Motoo Suzuki
A model with L_{μ}−L_{τ} gauge symmetry is the least constrained model as a resolution to the disagreement of the muon anomalous magnetic moment between the theoretical predictions and the experimental results. In this paper, we discuss how well the L_{μ}−L_{τ} model can be constrained by looking fo…
[Phys. Rev. D 95, 055022] Published Wed Mar 22, 2017



Light dark matter in superfluid helium: Detection with multi-excitation production

2017-03-22T10:00:00-04:00

Author(s): Simon Knapen, Tongyan Lin, and Kathryn M. Zurek

Light dark matter searches require new experimental approaches compared to the well-established nuclear-recoil techniques now in use. In this paper, the authors consider the potential to detect sub-MeV dark matter via multi-excitation modes in superfluid helium.

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[Phys. Rev. D 95, 056019] Published Wed Mar 22, 2017



Probing the cosmic ray mass composition in the knee region through TeV secondary particle fluxes from solar surroundings

2017-03-22T10:00:00-04:00

Author(s): Prabir Banik, Biplab Bijay, Samir K. Sarkar, and Arunava Bhadra
The possibility of estimating the mass composition of primary cosmic rays above the knee of their energy spectrum through the study of high-energy gamma rays, muons, and neutrinos produced in the interactions of cosmic rays with solar ambient matter and radiation is explored. It is found that the th…
[Phys. Rev. D 95, 063014] Published Wed Mar 22, 2017



Nonspherical Szekeres models in the language of cosmological perturbations

2017-03-22T10:00:00-04:00

Author(s): Roberto A. Sussman, Juan Carlos Hidalgo, Ismael Delgado Gaspar, and Gabriel Germán
We study the differences and equivalences between the nonperturbative description of the evolution of cosmic structure furnished by the Szekeres dust models (a nonspherical exact solution of Einstein’s equations) and the dynamics of cosmological perturbation theory (CPT) for dust sources in a ΛCDM b…
[Phys. Rev. D 95, 064033] Published Wed Mar 22, 2017



Retrolensing by a charged black hole

2017-03-22T10:00:00-04:00

Author(s): Naoki Tsukamoto and Yungui Gong (龚云贵)
Compact objects with a light sphere such as black holes and wormholes can reflect light rays like a mirror. This gravitational lensing phenomenon is called retrolensing and it is an interesting tool to survey dark and compact objects with a light sphere near the solar system. In this paper, we calcu…
[Phys. Rev. D 95, 064034] Published Wed Mar 22, 2017



Deflection angle in the strong deflection limit in a general asymptotically flat, static, spherically symmetric spacetime

2017-03-22T10:00:00-04:00

Author(s): Naoki Tsukamoto
Gravitational lensing by the light sphere of compact objects like black holes and wormholes will give us information on the compact objects. In this paper, we provide an improved strong deflection limit analysis in a general asymptotically flat, static, spherically symmetric spacetime. The strong de…
[Phys. Rev. D 95, 064035] Published Wed Mar 22, 2017



Membrane paradigm for Einstein-Gauss-Bonnet gravity

2017-03-22T10:00:00-04:00

Author(s): Ted Jacobson, Arif Mohd, and Sudipta Sarkar
We construct the membrane paradigm for black objects in Einstein-Gauss-Bonnet gravity in spacetime dimensions ≥5. As in the case of general relativity, the horizon can be modeled as a membrane endowed with fluidlike properties. We derive the stress tensor for this membrane fluid and study the pertur…
[Phys. Rev. D 95, 064036] Published Wed Mar 22, 2017



Toroidal trapped surfaces and isoperimetric inequalities

2017-03-22T10:00:00-04:00

Author(s): Janusz Karkowski, Patryk Mach, Edward Malec, Niall Ó Murchadha, and Naqing Xie
We analytically construct an infinite number of trapped toroids in spherically symmetric Cauchy hypersurfaces of the Einstein equations. We focus on initial data which represent “constant density stars” momentarily at rest. There exists an infinite number of constant mean curvature tori, but we also…
[Phys. Rev. D 95, 064037] Published Wed Mar 22, 2017



No fifth force in a scale invariant universe

2017-03-22T10:00:00-04:00

Author(s): Pedro G. Ferreira, Christopher T. Hill, and Graham G. Ross
We revisit the possibility that the Planck mass is spontaneously generated in scale-invariant scalar-tensor theories of gravity, typically leading to a “dilaton.” The fifth force, arising from the dilaton, is severely constrained by astrophysical measurements. We explore the possibility that nature …
[Phys. Rev. D 95, 064038] Published Wed Mar 22, 2017



Topological Casimir effect in a quantum LC circuit: Real-time dynamics

2017-03-22T10:00:00-04:00

Author(s): Yuan Yao and Ariel R. Zhitnitsky
We study novel contributions to the partition function of the Maxwell system defined on a small compact manifold M with nontrivial mappings π_{1}[U(1)]≅Z. These contributions cannot be described in terms of conventional physical propagating photons with two transverse polarizations and instead emerg…
[Phys. Rev. D 95, 065018] Published Wed Mar 22, 2017



Geometry of special Galileons

2017-03-22T10:00:00-04:00

Author(s): Jiří Novotný
A theory known as special Galileon has recently attracted considerable interest due to its peculiar properties. It has been shown that it represents an extremal member of the set of effective field theories with an enhanced soft limit. This property makes its tree-level S-matrix fully on-shell recon…
[Phys. Rev. D 95, 065019] Published Wed Mar 22, 2017



Controlling and observing nonseparability of phonons created in time-dependent 1D atomic Bose condensates

2017-03-22T10:00:00-04:00

Author(s): Scott Robertson, Florent Michel, and Renaud Parentani
We study the spectrum and entanglement of phonons produced by temporal changes in homogeneous one-dimensional atomic condensates. To characterize the experimentally accessible changes, we first consider the dynamics of the condensate when varying the radial trapping frequency, separately studying tw…
[Phys. Rev. D 95, 065020] Published Wed Mar 22, 2017



Quantum Hall effect on odd spheres

2017-03-22T10:00:00-04:00

Author(s): Ü. H. Coşkun, S. Kürkçüoğlu, and G. C. Toga
We solve the Landau problem for charged particles on odd dimensional spheres S^{2k−1} in the background of constant SO(2k−1) gauge fields carrying the irreducible representation (I/2,I/2,…,I/2). We determine the spectrum of the Hamiltonian, the degeneracy of the Landau levels and give the eigenstate…
[Phys. Rev. D 95, 065021] Published Wed Mar 22, 2017



Revisiting the thermodynamic relations in AdS/CMT models

2017-03-22T10:00:00-04:00

Author(s): Seungjoon Hyun, Sang-A Park, and Sang-Heon Yi
Motivated by the recent unified approach to the Smarr-like relation of anti-de Sitter (AdS) planar black holes in conjunction with the quasilocal formalism on conserved charges, we revisit the quantum statistical and thermodynamic relations of hairy AdS planar black holes. By extending the previous …
[Phys. Rev. D 95, 066012] Published Wed Mar 22, 2017



Static structures of the BCS-like holographic superfluid in AdS_{4} spacetime

2017-03-22T10:00:00-04:00

Author(s): Shanquan Lan, Wenbiao Liu, and Yu Tian
We investigate in detail the m^{2}=0 Abelian Higgs model in AdS_{4}, which is considered as the holographic dual of the most BCS-like superfluid. In homogeneous and isotropic superfluid solutions, we calculate the fourth-sound speeds, the square of which approaches 1/2 with increasing chemical poten…
[Phys. Rev. D 95, 066013] Published Wed Mar 22, 2017



Dark matter, light mediators, and the neutrino floor

2017-03-21T10:00:00-04:00

Author(s): James B. Dent, Bhaskar Dutta, Jayden L. Newstead, and Louis E. Strigari
We analyze direct dark matter detection experiments for ≲100  MeV mass mediators with general interactions. We compare the nuclear recoil energy spectra from these interactions to the solar neutrino spectrum. A set of interactions that generate spectra similar to the neutrino background is identifie…
[Phys. Rev. D 95, 051701(R)] Published Tue Mar 21, 2017



cb [over ¯] spectrum and decay properties with coupled channel effects

2017-03-21T10:00:00-04:00

Author(s): Antony Prakash Monteiro, Manjunath Bhat, and K. B. Vijaya Kumar
The mass spectrum of cb[over ¯] states has been obtained using the phenomenological relativistic quark model (RQM) with coupled channel effects. The Hamiltonian used in the investigation has confinement potential and confined one gluon exchange potential (COGEP). In the frame work of the RQM, a stud…
[Phys. Rev. D 95, 054016] Published Tue Mar 21, 2017



Search for mono-Higgs signals at the LHC in the B−L supersymmetric standard model

2017-03-21T10:00:00-04:00

Author(s): W. Abdallah, A. Hammad, S. Khalil, and S. Moretti
We study mono-Higgs signatures emerging in the B−L supersymmetric standard model induced by new channels not present in the minimal supersymmetric standard model, i.e., via topologies in which the mediator is either a heavy Z^{′}, with mass of O(2  TeV), or an intermediate h^{′} (the lightest CP-eve…
[Phys. Rev. D 95, 055019] Published Tue Mar 21, 2017



Probing doubly charged Higgs bosons at the LHC through photon initiated processes

2017-03-21T10:00:00-04:00

Author(s): K. S. Babu and Sudip Jana
We show that the photon-photon fusion process contributes significantly to the pair production of doubly charged Higgs bosons at the LHC at a level comparable to the Drell-Yan production. We reinterpret the ATLAS lower limit of 570 GeV (420 GeV) on the mass of Δ_{L}^{±±} (Δ_{R}^{±±}) arising from an…
[Phys. Rev. D 95, 055020] Published Tue Mar 21, 2017



Casimir effect for Dirac lattices

2017-03-21T10:00:00-04:00

Author(s): M. Bordag and I. G. Pirozhenko
We consider polarizable sheets, which recently received some attention, especially in the context of the dispersion interaction of thin sheets like graphene. These sheets are modeled by a collection of delta function potentials and resemble zero-range potentials, which are known in quantum mechanics…
[Phys. Rev. D 95, 056017] Published Tue Mar 21, 2017



Doppler effect on indirect detection of dark matter using dark matter only simulations

2017-03-21T10:00:00-04:00

Author(s): Devon Powell, Ranjan Laha, Kenny C. Y. Ng, and Tom Abel
Indirect detection of dark matter is a major avenue for discovery. However, baryonic backgrounds are diverse enough to mimic many possible signatures of dark matter. In this work, we study the newly proposed technique of dark matter velocity spectroscopy [E. G. Speckhard, K. C. Y. Ng, J. F. Beacom, …
[Phys. Rev. D 95, 063012] Published Tue Mar 21, 2017



Testing decay of astrophysical neutrinos with incomplete information

2017-03-21T10:00:00-04:00

Author(s): Mauricio Bustamante, John F. Beacom, and Kohta Murase
Neutrinos mix and have mass differences, so decays from one to another must occur. But how fast? The best direct limits on nonradiative decays, based on solar and atmospheric neutrinos, are weak, τ≳10^{−3}  s (m/eV) or much worse. Greatly improved sensitivity, τ∼10^{3}  s (m/eV), will eventually be …
[Phys. Rev. D 95, 063013] Published Tue Mar 21, 2017



New class of exact solutions in Einstein-Maxwell-dilaton theory

2017-03-21T10:00:00-04:00

Author(s): A. M. Ghezelbash
We find new solutions to the five-dimensional Einstein-Maxwell-dilaton theory with cosmological constant where the dilaton field couples to the electromagnetic field as well as to the cosmological term with two different coupling constants. The five-dimensional spacetime is nonstationary and is a co…
[Phys. Rev. D 95, 064030] Published Tue Mar 21, 2017



Noether symmetries and stability of ideal gas solutions in Galileon cosmology

2017-03-21T10:00:00-04:00

Author(s): N. Dimakis, Alex Giacomini, Sameerah Jamal, Genly Leon, and Andronikos Paliathanasis
A class of generalized Galileon cosmological models, which can be described by a pointlike Lagrangian, is considered in order to utilize Noether’s theorem to determine conservation laws for the field equations. In the Friedmann-Lemaître-Robertson-Walker universe, the existence of a nontrivial conser…
[Phys. Rev. D 95, 064031] Published Tue Mar 21, 2017



Exploring the Tomlin-Varadarajan quantum constraints in U(1)^{3} loop quantum gravity: Solutions and the Minkowski theorem

2017-03-21T10:00:00-04:00

Author(s): Jerzy Lewandowski and Chun-Yen Lin
We explicitly solved the anomaly-free quantum constraints proposed by Tomlin and Varadarajan for the weak Euclidean model of canonical loop quantum gravity, in a large subspace of the model’s kinematic Hilbert space, which is the space of the charge network states. In doing so, we first identified t…
[Phys. Rev. D 95, 064032] Published Tue Mar 21, 2017



Variation of entanglement entropy and mutual information in fermion-fermion scattering

2017-03-21T10:00:00-04:00

Author(s): Jinbo Fan, Yanbin Deng, and Yong-Chang Huang
We study the behavior of entanglement between different degrees of freedom of scattering fermions, based on an exemplary QED scattering process e^{+}e^{−}→μ^{+}μ^{−}. The variation of entanglement entropy between two fermions from an initial state to the final state was computed, with respect to dif…
[Phys. Rev. D 95, 065017] Published Tue Mar 21, 2017



Photon initiated single top quark production via flavor-changing neutral currents at the LHC

2017-03-20T10:00:00-04:00

Author(s): Reza Goldouzian and Barbara Clerbaux
Single top quark production is a powerful process to search for new physics signs. In this work we propose and investigate a search for top quark flavor-changing neutral currents (FCNCs) via a photon using direct single top quark production events in proton-proton collisions at the LHC at CERN. We s…
[Phys. Rev. D 95, 054014] Published Mon Mar 20, 2017



τ^{−} →η^{(′)} π^{−} ν_{τ} γ decays as background in the search for second class currents

2017-03-20T10:00:00-04:00

Author(s): A. Guevara, G. López-Castro, and P. Roig
Observation of τ^{−}→η^{(′)}π^{−}ν_{τ} decays at Belle-II would indicate either a manifestation of isospin symmetry breaking or genuine second class current (SCC) effects. The corresponding radiative τ^{−}→η^{(′)}π^{−}ν_{τ}γ decay channels are not suppressed by G-parity considerations and may repres…
[Phys. Rev. D 95, 054015] Published Mon Mar 20, 2017



Axion, μ term, and supersymmetric hybrid inflation

2017-03-20T10:00:00-04:00

Author(s): G. Lazarides, C. Panagiotakopoulos, and Q. Shafi
We show how successful supersymmetric hybrid inflation is realized in realistic models where the resolution of the minimal supersymmetric standard model μ problem is intimately linked with axion physics. The scalar fields that accompany the axion, such as the saxion, are closely monitored during and…
[Phys. Rev. D 95, 055017] Published Mon Mar 20, 2017



(g−2)_{μ} , lepton flavor violation, and Z decays with leptoquarks: Correlations and future prospects

2017-03-20T10:00:00-04:00

Author(s): Estefania Coluccio Leskow, Giancarlo D’Ambrosio, Andreas Crivellin, and Dario Müller
The long-standing anomaly in the anomalous magnetic moment of the muon indicates the presence of chirality violating new physics contributions. A possible solution involves scalar leptoquarks with left- and right-handed couplings to the top quark. Two such representations of scalar leptoquarks exist…
[Phys. Rev. D 95, 055018] Published Mon Mar 20, 2017



Testing physical models for dipolar asymmetry: From temperature to k space to lensing

2017-03-20T10:00:00-04:00

Author(s): J. P. Zibin and D. Contreras
One of the most intriguing hints of a departure from the standard cosmological model is a large-scale dipolar power asymmetry in the cosmic microwave background (CMB). If not a statistical fluke, its origins must lie in the modulation of the position-space fluctuations via a physical mechanism, whic…
[Phys. Rev. D 95, 063011] Published Mon Mar 20, 2017



Calculation of the critical overdensity in the spherical-collapse approximation

2017-03-20T10:00:00-04:00

Author(s): D. Herrera, I. Waga, and S. E. Jorás
Critical overdensity δ_{c} is a key concept in estimating the number count of halos for different redshift and halo-mass bins, and therefore, it is a powerful tool to compare cosmological models to observations. There are currently two different prescriptions in the literature for its calculation, n…
[Phys. Rev. D 95, 064029] Published Mon Mar 20, 2017



Symmetric point four-point functions at one loop in QCD

2017-03-20T10:00:00-04:00

Author(s): J. A. Gracey
We evaluate the quartic ghost and quark Green’s functions as well as the gluon-ghost, gluon-quark and ghost-quark four-point functions of quantum chromodynamics at one loop at the fully symmetric point in a linear covariant gauge. Similar expressions for the analogous Green’s functions in quantum el…
[Phys. Rev. D 95, 065013] Published Mon Mar 20, 2017



Helicity selection rules and noninterference for BSM amplitudes

2017-03-20T10:00:00-04:00

Author(s): Aleksandr Azatov, Roberto Contino, Camila S. Machado, and Francesco Riva
Precision studies of scattering processes at colliders provide powerful indirect constraints on new physics. We study the helicity structure of scattering amplitudes in the standard model (SM) and in the context of an effective Lagrangian description of beyond-the-SM (BSM) dynamics. Our analysis rev…
[Phys. Rev. D 95, 065014] Published Mon Mar 20, 2017



Spontaneous excitation of an atom in a Kerr spacetime

2017-03-20T10:00:00-04:00

Author(s): G. Menezes
We consider radiative processes of an atom in a rotating black-hole background. We assume the atom, represented by a hypothetical two-level system, is coupled via a monopole interaction with a massless quantum scalar field prepared in each one of the usual physical vacuum states of interest. We cons…
[Phys. Rev. D 95, 065015] Published Mon Mar 20, 2017



Interacting scale invariant but nonconformal field theories

2017-03-20T10:00:00-04:00

Author(s): Yu Nakayama
There is a dilemma in constructing interacting scale invariant Euclidean field theories that are not conformal invariant. On one hand, scale invariance without conformal invariance seems more generic by requiring only a smaller symmetry. On the other hand, the existence of a nonconserved current wit…
[Phys. Rev. D 95, 065016] Published Mon Mar 20, 2017



Two-loop amplitudes for qg→Hq and qq [over ¯] →Hg mediated by a nearly massless quark

2017-03-17T10:00:00-04:00

Author(s): Kirill Melnikov, Lorenzo Tancredi, and Christopher Wever
We compute the two-loop QCD corrections to qg→Hq and qq[over ¯]→Hg amplitudes mediated by loops of nearly massless quarks. These amplitudes provide the last missing ingredient required to compute the next-to-leading-order QCD corrections to the top-bottom interference contribution to the Higgs boson…
[Phys. Rev. D 95, 054012] Published Fri Mar 17, 2017



Magnetic-field induced critical endpoint

2017-03-17T10:00:00-04:00

Author(s): Stefan Rechenberger
The phase diagram of strong interaction matter is analyzed utilizing the Nambu–Jona-Lasinio model. Special emphasis is placed on its dependence on an external magnetic field and isospin chemical potential. Using flavor mixing induced by instanton effects the influence of isospin breaking due to the …
[Phys. Rev. D 95, 054013] Published Fri Mar 17, 2017



Abelian Higgs model with charge conjugate boundary conditions

2017-03-17T10:00:00-04:00

Author(s): R. M. Woloshyn
The Abelian Higgs model is studied on the lattice with charge conjugate boundary conditions. A locally gauge invariant operator for the charged scalar field is constructed, and the charged scalar particle mass is calculated in the Coulomb phase of the lattice model. Agreement is found with the mass …
[Phys. Rev. D 95, 054507] Published Fri Mar 17, 2017



Isospin-violating dark matter in the light of recent data

2017-03-17T10:00:00-04:00

Author(s): Carlos E. Yaguna
In scenarios where dark matter interacts differently with protons and neutrons (isospin-violating dark matter), the interpretation of the experimental limits on the dark matter spin-independent cross section may be significantly modified. On the one hand, the direct detection constraints are shifted…
[Phys. Rev. D 95, 055015] Published Fri Mar 17, 2017



Electric dipole moments of charged leptons at one loop in the presence of massive neutrinos

2017-03-17T10:00:00-04:00

Author(s): H. Novales-Sánchez, M. Salinas, J. J. Toscano, and O. Vázquez-Hernández
Violation of CP invariance is a quite relevant phenomenon that is found in the Standard Model, though in small amounts. This has been an incentive to look for high-energy descriptions in which CP violation is increased, thus enhancing effects that are suppressed in the Standard Model, such as the el…
[Phys. Rev. D 95, 055016] Published Fri Mar 17, 2017



Volume dependence of baryon number cumulants and their ratios

2017-03-17T10:00:00-04:00

Author(s): Gábor A. Almási, Robert D. Pisarski, and Vladimir V. Skokov
We explore the influence of finite-volume effects on cumulants of baryon/quark number fluctuations in a nonperturbative chiral model. In order to account for soft modes, we use the functional renormalization group in a finite volume, using a smooth regulator function in momentum space. We compare th…
[Phys. Rev. D 95, 056015] Published Fri Mar 17, 2017