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We study the electrodynamics of generic charged particles (bosons, fermions, relativistic or not) constrained to move on an infinite plane. An effective gauge theory in 2+1 dimensional spacetime which describes the real electromagnetic…

High Energy Physics - Theory · Physics 2009-10-22 E. C. Marino

We investigate the properties of charmonium systems in strong external magnetic fields using a relativistic light-front Hamiltonian approach within the Basis Light-Front Quantization (BLFQ) framework. By solving the eigenvalue problem for…

High Energy Physics - Phenomenology · Physics 2025-07-11 Liuyuan Wen , Meijian Li , Yiyu Zhou , Yang Li , James P. Vary

We consider the Dirac equation with a generalized uncertainty principle in the presence of the Harmonic interaction and an external magnetic field. By doing the study in the momentum space, the problem solved in an exact analytical manner…

Quantum Physics · Physics 2014-01-23 Hassan Hassanabadi , Saber Zarrinkamar , Elham Maghsoodi

Two-dimensional electrons in graphene are known to behave as massless fermions with Dirac-Weyl type linear dispersion near the Dirac crossing points. We have investigated the collective excitations of this system in the presence or absence…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Vadim Apalkov , Xue-Feng Wang , Tapash Chakraborty

We generalize the Landau levels of two-dimensional Dirac fermions to three dimensions and above with the full rotational symmetry. Similarly to the two-dimensional case, there exists a branch of zero energy Landau levels of fractional…

Strongly Correlated Electrons · Physics 2012-03-02 Yi Li , Kenneth Intriligator , Yue Yu , Congjun Wu

The thermodynamics of Dirac fields under the influence of external electromagnetic fields is studied. For perturbations which act only for finite time, the influence of the perturbation can be described by an automorphism which can be…

Mathematical Physics · Physics 2025-09-19 Romeo Brunetti , Klaus Fredenhagen , Nicola Pinamonti

We consider the torsional completion of gravity with electrodynamics for Dirac matter fields; we will see that these Dirac matter field equations will develop torsionally-induced non-linear interactions, which can be manipulated in order to…

General Relativity and Quantum Cosmology · Physics 2014-10-07 Luca Fabbri

Effects of fermion-vacuum polarization by a singular configuration of an external static vector field are considered in (2 + 1)-dimensional spacetime. Expressions for the induced vacuum charge and magnetic flux are obtained.

High Energy Physics - Theory · Physics 2007-05-23 Yu. A. Sitenko

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 show that 2+1 dimensional Dirac oscillators in an external magnetic field is mapped onto the same with reduced angular frequency in absence of magnetic field. This can be used to study the atomic transitions in a radiation field.…

High Energy Physics - Theory · Physics 2010-01-26 Bhabani Prasad Mandal , Shweta Verma

The one-loop effective action of quantum electrodynamics in four dimensions is shown to be controlled by the Euclidean Dirac propagator $G$ in a background potential. After separating the photon self-energy and photon-photon scattering…

High Energy Physics - Theory · Physics 2019-05-22 M. P. Fry

We use Pseudo Quantum Electrodynamics to study massive (2+1)D Dirac systems interacting electromagnetically via a U(1) gauge field in (3+1)D. It was recently found in Ref. [1], that an interaction-induced Quantum Hall Effect (QHE) and…

Strongly Correlated Electrons · Physics 2017-02-10 S. H. Kooi , N. Menezes , Van Sérgio Alves , C. Morais Smith

The magnetotransport properties of massless Dirac fermions in a gapless HgTe quantum well are investigated. In samples with narrow channels, a large negative magnetoresistance with a Lorentzian profile is observed, which is interpreted as a…

Mesoscale and Nanoscale Physics · Physics 2021-08-02 D. A. Khudaiberdiev , G. M. Gusev , E. B. Olshanetsky , Z. D. Kvon , N. N. Mikhailov

It is shown that in $2+1$ dimensions, a constant magnetic field is a strong catalyst of dynamical flavor symmetry breaking, leading to generating a fermion dynamical mass even at the weakest attractive interaction between fermions. The…

High Energy Physics - Theory · Physics 2009-10-28 V. P. Gusynin , V. A. Miransky , I. A. Shovkovy

The authors study the quantum effect of self-interacting fields in the classical background of conical space, i.e. around a cosmic string with infinitesimal width. The renormalized value of $\langle\phi^2\rangle$ and energy-momentum tensor…

High Energy Physics - Theory · Physics 2019-12-18 Kiyoshi Shiraishi , Satoru Hirenzaki

In the paper a new class of exact localized solutions of Dirac's equation in the field of a circularly polarized electromagnetic wave and a constant magnetic field is presented. These solutions possess unusual properties and are applicable…

Mathematical Physics · Physics 2011-09-30 Boris V. Gisin

We calculate the condensate and the vacuum current density induced by external static magnetic fields in (2+1)-dimensions. At the perturbative level, we consider an exponentially decaying magnetic field along one cartesian coordinate.…

High Energy Physics - Phenomenology · Physics 2014-11-21 Alfredo Raya , Edward Reyes

We present a theory of the emission spectrum of magnetoexcitons interacting with a $\nu = 1$ quantum Hall state of massive Dirac fermions in monolayer transition metal dichalcogenides in high magnetic fields. Using an ab initio-parametrized…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Katarzyna Sadecka , Marek Korkusinski , Ludmiła Szulakowska , Paweł Hawrylak

We address anticipated fermion-antifermion and dimension-4 gauge-field vacuum-condensate contributions to the magnetic portion of the fermion-photon vertex function in the presence of a vacuum with nonperturbative content, such as that of…

High Energy Physics - Phenomenology · Physics 2022-10-12 Victor Elias , Kevin Sprague , Ying Xue

Employing the Schwinger's proper-time method, we calculate the $<\bar{\psi} \psi>$-condensate for massive Dirac fermions of charge $e$ interacting with a uniform magnetic field in a heat bath. We present general results for arbitrary…

High Energy Physics - Phenomenology · Physics 2010-01-15 Alejandro Ayala , Adnan Bashir , Alfredo Raya , Angel Sanchez
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