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Related papers: Magnetic Induced Axion Mass

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Using an isospin- and momentum-dependent transport model, we examine the effects of an electric field induced by a variable magnetic field on the \pi^{-}/\pi^{+} ratio in central to peripheral heavy-ion collisions at beam energies of 400…

Nuclear Theory · Physics 2016-08-03 Gao-Feng Wei , Shi-Hai Dong , Xin-Wei Cao , Yun-Liang Zhang

In this paper, we study the effects of an in-homogeneous magnetic field on the quark gluon plasma dynamics, within the Magneto-Hydrodynamic framework. We have investigated the effect of an inhomogeneous external magnetic field on the…

The effects of possible explicit violation of the Peccei-Quinn symmetry responsible for the solution of the strong CP problem are studied in supersymmetric models. It is shown that automatic models with an abelian $U(1)$ gauge symmetry are…

High Energy Physics - Phenomenology · Physics 2010-11-01 E. A. Dudas

We show that in 2+1 dimensional Quantum Electrodynamics an external magnetic field applied to a finite density of massless fermions is screened, due to a $2+1$-dimensional realization of the underlying $2$-dimensional axial anomaly of the…

High Energy Physics - Theory · Physics 2009-10-22 Stefano Forte

A possibility of detecting the effect of photon-axion mixing in a cavity experiment is discussed. There are two photon-axion modes that acquire different indices of refraction and split in an inhomogeneous magnetic field. For a magnetic…

Quantum Physics · Physics 2013-06-26 Mikhail Khankhasayev , Carol Scarlett

We show analytically and numerically that the application of an external magnetic field to highly excited Rydberg excitons breaks all antiunitary symmetries in the system. Only by considering the complete valence band structure of a direct…

Mesoscale and Nanoscale Physics · Physics 2017-01-30 Frank Schweiner , Jörg Main , Günter Wunner

I present a novel way of linking the shift in the axion mass due to non-perturbative gravitational effects and the quantum information interpretation of the holographic principle. The main result of this article is a novel way of expressing…

High Energy Physics - Theory · Physics 2018-09-24 Andrei T. Patrascu

A novel magnetic interference effect is proposed for a neutral, but polarizable exciton in a quantum ring with a finite width. The magnetic interference effect originates from the nonzero dipole moment in the exciton. The ground state of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. E. Ulloa , A. O. Govorov , A. V. Kalameitsev , R. Warburton , K. Karrai

In this paper, we discuss the role of an external magnetic field on the dynamically generated fermion mass in even-flavor QED in three space-time dimensions. Based on some reasonable approximations, we present analytic arguments on the fact…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. Farakos , G. Koutsoumbas , N. E. Mavromatos , Arshad Momen

This paper investigates the impact of small instanton effects on the axion mass in composite axion models. In particular, we focus on the Composite Accidental Axion (CAA) models, which are designed to address the axion quality problem, and…

High Energy Physics - Phenomenology · Physics 2024-07-22 Takafumi Aoki , Masahiro Ibe , Satoshi Shirai , Keiichi Watanabe

We discuss the effect of a strong magnetic field in the behavior of the symmetry of an electrically neutral electroweak plasma. We analyze the case of a strong field and low temperatures as compared with the W rest energy. If the magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Rodriguez Querts , H. Perez Rojas , A. Perez Martinez

We consider the possibility that cosmic magnetic field, instead of being uniformly distributed, is strongly correlated with the large scale structure of the universe. Then, the observed rotational measure of extra-galactic radio sources…

Astrophysics · Physics 2011-07-19 Dongsu Ryu , Hyesung Kang , Peter L. Biermann

We calculate the magnetic-field dependent nonlinear conductance and noise in a macroscopic inhomogeneous system. If the system does not possess a specific symmetry, the magnetic field induces a nonzero third cumulant of the current even at…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 K. E. Nagaev , O. S. Ayvazyan , N. Yu. Sergeeva , M. Buttiker

Modulo the scale of spontaneous breaking of Peccei-Quinn symmetry, the axion mass $m_a(T)$ is given by the QCD topological susceptibility ${\chi}(T)$ at all temperatures $T$. From an approach tying the $U_A(1)$ and chiral symmetry breaking…

High Energy Physics - Phenomenology · Physics 2019-12-13 Dubravko Klabučar , Davor Horvatić , Dalibor Kekez

We study the interaction between axions and nuclei by combining the Peccei-Quinn mechanism with results from quantum chromo-dynamics (QCD) which imply that the QCD condensates are reduced within nuclear matter. Thus, the effective axion…

High Energy Physics - Phenomenology · Physics 2024-05-17 Stefan Evans , Ralf Schützhold

The QCD axion is an hypothetical particle introduced to solve the strong CP problem of standard model of particle physics and is of interest as a possible component of cold dark matter. In the axion scenario, J.E. Moody and F. Wilczek…

Instrumentation and Detectors · Physics 2017-05-09 Nicolò Crescini , Caterina Braggio , Giovanni Carugno , Paolo Falferi , Antonello Ortolan , Giuseppe Ruoso

Motivated by the significant interaction of convection, rotation and magnetic field in many astrophysical objects, we investigate the interplay between large-scale flows driven by rotating convection and an imposed magnetic field. We…

Solar and Stellar Astrophysics · Physics 2016-11-23 Laura K. Currie

The effects of an external field on the dynamics of chiral symmetry breaking are studied using quenched, ladder QED as our model gauge field theory. It is found that a uniform external magnetic field enables the chiral symmetry to be…

High Energy Physics - Theory · Physics 2009-10-31 C. N. Leung

We develop the theoretical model that describes dynamic non-equilibrium effects of external inertial and axion fields in a system of particles with spin. The possibility of using the spin density and the current density of non-relativistic…

High Energy Physics - Theory · Physics 2026-02-19 Mariya Iv. Trukhanova , Yuri N. Obukhov

We use the high sensitivity to magnetic flux of mesoscopic conductance fluctuations in large quantum dots to investigate changes in the two-dimensional electron dispersion caused by an in-plane magnetic field. In particular, changes in…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 D. M. Zumbuhl , J. B. Miller , C. M. Marcus , V. I. Fal'ko , T. Jungwirth , J. S. Harris