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Related papers: Dynamically Induced Zeeman Effect in Massless QED

200 papers

We study QED on noncommutative spaces, NCQED. In particular we present the detailed calculation for the noncommutative electron-photon vertex and show that the Ward identity is satisfied. We discuss that in the noncommutative case moving…

High Energy Physics - Theory · Physics 2009-10-31 I. F. Riad , M. M. Sheikh-Jabbari

We are studying finite fermion density states in Maxwell QED$_{2+1}$ with external magnetic field. It is shown that at any fermion density the energy of some magnetized states may be less than that of the state with the same density, but no…

High Energy Physics - Theory · Physics 2009-10-30 Vadim Zeitlin

In this paper, we will demonstrate that a dense quark-matter system in the dual chiral density wave (DCDW) phase behaves as a ferromagnet in the sense that its magnetic-field dependent magnetization remains different from zero even at…

High Energy Physics - Phenomenology · Physics 2025-11-19 E. J. Ferrer , J. M. Perez-Fernandez

We discuss one-loop radiatively-induced magnetic moment in four-dimensional quantum electrodynamics (QED) with anisotropic coupling, and examine various cases which may be of interest in effective gauge theories of antiferromagnets, whose…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jean Alexandre , Nick E. Mavromatos

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

The Zeeman effect describes the energy change of an atomic quantum state in magnetic field. The magnitude and the direction of this change depend on the dimensionless Lande g-factor. In quantum solids, the response of the Bloch electron…

Strongly Correlated Electrons · Physics 2022-08-26 Hong Li , He Zhao , Kun Jiang , Qi Wang , Qiangwei Yin , Ning-Ning Zhao , Kai Liu , Ziqiang Wang , Hechang Lei , Ilija Zeljkovic

This paper describes a very general approach to the calculation of the Zeeman splitting effect produced by an external magnetic field on the rotational levels of diatomic molecules. The method is valid for arbitrary values of the total…

Astrophysics · Physics 2009-11-13 A. Asensio Ramos , J. Trujillo Bueno

An analytic closed form solution is derived for the bound states of electrons subject to a static, inhomogeneous ($1/r$-decaying) magnetic field, including the Zeeman interaction. The solution provides access to many-body properties of a…

Mesoscale and Nanoscale Physics · Physics 2022-03-28 Dominik Sidler , Vasil Rokaj , Michael Ruggenthaler , Angel Rubio

Quantum wells of HgTe doped with Mn display the quantum anomalous Hall effect due to the magnetic moments of the Mn ions. In the presence of a magnetic field, these magnetic moments induce an effective nonlinear Zeeman effect, causing a…

Mesoscale and Nanoscale Physics · Physics 2012-05-07 W. Beugeling , C. X. Liu , E. G. Novik , L. W. Molenkamp , C. Morais Smith

Since the discovery of the Fractional Quantum Hall Effect in 1982 there has been considerable theoretical discussion on the possibility of fractional quantization of conductance in the absence of Landau levels formed by a quantizing…

Mesoscale and Nanoscale Physics · Physics 2019-03-05 S. Kumar , M. Pepper , S. N. Holmes , H. Montagu , Y. Gul , D. A. Ritchie , I. Farrer

In this paper we calculate the non-perturbative Euler-Heisenberg Lagrangian for massless QED in a strong magnetic field $H$, where the breaking of the chiral symmetry is dynamically catalyzed by the external magnetic field via the formation…

High Energy Physics - Theory · Physics 2015-06-04 Efrain J. Ferrer , Vivian de la Incera , Angel Sanchez

The influence of a magnetic field on the mass generation in 2+1 dimensional QED is considered.It is shown that the magnetic field is a catalyst of the generation of a fermion dynamical mass. The mass arises in the system with arbitrary…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Shpagin

We study theoretically the magnetic field effect on a neutral, but polarizable exciton confined in quantum-ring structures. For excitons with a nonzero dipole moment, a novel magnetic interference effect occurs: The ground state of an…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 A. O. Govorov , A. V. Kalameitsev , R. Warburton , K. Karrai , S. E. Ulloa

We show that the chiral-symmetry-broken phase of massless QED in the presence of a magnetic field exhibits strong paraelectricity. A large anisotropic electric susceptibility develops in the infrared region, where most of the fermions are…

High Energy Physics - Phenomenology · Physics 2011-08-17 Efrain J. Ferrer , Vivian de la Incera , Angel Sanchez

The inclusion of electromagnetic effects in unquenched QCD can be accomplished using ensembles generated in dynamical simulations with pure QCD provided the change in the quark determinant induced by a weak electromagnetic field can be…

High Energy Physics - Lattice · Physics 2009-11-10 A. Duncan , E. Eichten , R. Sedgewick

The static Coulomb potential of Quantum Electrodynamics (QED) is calculated in the presence of a strong magnetic field in the lowest Landau level (LLL) approximation using two different methods. First, the vacuum expectation value of the…

High Energy Physics - Theory · Physics 2008-11-26 N. Sadooghi , A. Sodeiri Jalili

The "QCD Kondo effect" stems from the color exchange interaction in QCD with non-Abelian property, and can be realized in a high-density quark matter containing heavy-quark impurities. We propose a novel type of the QCD Kondo effect induced…

High Energy Physics - Phenomenology · Physics 2016-10-12 Sho Ozaki , Kazunori Itakura , Yoshio Kuramoto

We report on magneto-transport measurements of a two-dimensional electron gas confined in a Cd$_{0.997}$Mn$_{0.003}$Te quantum well structure under conditions of vanishing Zeeman energy. The electron Zeeman energy has been tuned via the…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 F. J. Teran , M. Potemski , D. K. Maude , T. Andrearczyk , J. Jaroszynski , T. Wojtowicz , G. Karczewski

New scheme of definition of g-factors as ground as excited optical states of a paramagnetic ion in zero external constant magnetic field has been proposed and experimentally realized in optical systems in which Zeeman Effect is manifested.…

Materials Science · Physics 2014-12-30 V. N. Lisin , A. M. Shegeda , V. V. Samartsev

We question the use of stable asymptotic scattering states in QED of strong magnetic fields. To correctly describe excited Landau states and photons above the pair creation threshold the asymptotic fields are chosen as generalized Licht…

High Energy Physics - Phenomenology · Physics 2009-10-28 M. Kachelriess