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The phase structure of $d=3$ Nambu-Jona-Lasinio model in curved spacetime with magnetic field is investigated in the leading order of the $1/N$-expansion and in linear curvature approximation (an external magnetic field is treated exactly).…

High Energy Physics - Theory · Physics 2009-09-17 D. M. Gitman , S. D. Odintsov , Yu. I. Shil'nov

The magnetized phase diagram for three-flavor quark matter is studied within the Polyakov extended Nambu--Jona-Lasinio model. The order parameters are analyzed with special emphasis on the strange quark condensate. We show that the presence…

High Energy Physics - Phenomenology · Physics 2018-02-07 Márcio Ferreira , Pedro Costa , Constança Providência

The surface tension of quark matter in a strong magnetic field is investigated using a geometric approach. The interface between the hadronic phase and quark phase is determined by the Maxwell construction of the first-order transition.…

High Energy Physics - Phenomenology · Physics 2025-03-14 Yu-Ying He , Xin-Jian Wen

Electromagnetic form factors of a massive neutrino are studied in a minimally extended standard model in an arbitrary $R_{\xi}$ gauge and taking into account the dependence on the masses of all interacting particles. The contribution from…

High Energy Physics - Phenomenology · Physics 2009-11-10 Maxim Dvornikov , Alexander Studenikin

In the present paper, dynamics of generalized charged particles are studied in the presence of external electromagnetic interactions. This particular extension of the free relativistic particle model lives in Non-Commutative…

High Energy Physics - Theory · Physics 2014-05-09 Souvik Pramanik , Subir Ghosh , Probir Pal

We present a dynamical mechanism \`a la Nambu--Jona-Lasinio for the generation of masses and mixing for two interacting fermion fields. The analysis is carried out in the framework introduced long ago by Umezawa et al., in which mass…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. Blasone , P. Jizba , G. Lambiase , N. E. Mavromatos

We discuss the extraction of the electromagnetic and spin polarisabilities of nucleons from lattice QCD. We show that the external field method can be used to measure all the electromagnetic and spin polarisabilities including those of…

High Energy Physics - Lattice · Physics 2008-11-26 W. Detmold , B. C. Tiburzi , A. Walker-Loud

In this work we have studied the effects of an external strong magnetic field on the thermodynamic and magnetic properties of a hot QCD matter and then explored these effects on the subsequent hydrodynamic expansion of the said matter once…

High Energy Physics - Theory · Physics 2020-01-08 Shubhalaxmi Rath , Binoy Krishna Patra

We study the effect of a varying pion mass on the quantum chromodynamics (QCD) phase diagram in the presence of an external magnetic field, aiming to understand it, for the first time, using Nambu\textendash Jona-Lasinio like effective…

High Energy Physics - Phenomenology · Physics 2024-11-15 Mahammad Sabir Ali , Chowdhury Aminul Islam , Rishi Sharma

Magnetic catalysis is the enhancement of a condensate due to the presence of an external magnetic field. Magnetic catalysis at $T=0$ is a robust phenomenon in low-energy theories and models of QCD as well as in lattice simulations. We…

High Energy Physics - Phenomenology · Physics 2021-06-08 Jens O. Andersen

It is shown that the diagonalization of the axial-vector -- pseudoscalar transitions in the effective meson Lagrangian in presence of electromagnetic interactions leads to a deviation from the vector meson dominance picture which usually…

High Energy Physics - Phenomenology · Physics 2018-09-12 A. A. Osipov , M. M. Khalifa

In this work we make use of the Nambu-Jona-Lasinio model to investigate thermodynamic properties of magnetized three-flavor quark matter. The non-equilibrium Tsallis distribution is characterized by a dimensionless non-extensive parameter…

High Energy Physics - Phenomenology · Physics 2024-11-01 Jia Zhang , Xin-Jian Wen

In magnetic fields stronger than B_Q = 4.4 X 10^13 Gauss, an electron's Landau excitation energy exceeds its rest energy. I review the physics of this strange regime and some of its implications for the crusts and magneto- spheres of…

Astrophysics · Physics 2009-10-31 Robert C. Duncan

It is found that the electric field can be enhanced strongly inside a permittivity-near-zero object in free space, when the transverse cross section of the object is small and the length along the propagation direction of the incident wave…

Optics · Physics 2015-05-19 Yi Jin , Pu Zhang , Sailing He

By solving the gap equation in the quenched, ladder approximation for an Abelian gauge model with Yukawa interaction in the presence of a constant magnetic field, we show that the Yukawa interactions enhance the dynamical generation of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Efrain J. Ferrer , Vivian de la Incera

The effect of the isospin/charge asymmetry and an external magnetic field in the location of the critical end point (CEP) in the QCD phase diagram is investigated. By using the 2+1 flavor Nambu--Jona-Lasinio model with Polyakov loop (PNJL),…

High Energy Physics - Phenomenology · Physics 2015-08-10 Pedro Costa , Márcio Ferreira , Constança Providência , Hubert Hansen , Débora P. Menezes

Planar Quantum Electrodynamics is developed when charged fermions are under the influence of a constant and homogeneous external magnetic field. We compute the cross-length for the scattering of optical/ultraviolet photons by Dirac-Landau…

High Energy Physics - Theory · Physics 2007-05-23 J. Mateos Guilarte , M. de la Torre Mayado

Non-perturbative effect of the formation of a chiral symmetry breaking condensate <\bar\psi\psi> and of a dynamically generated fermion mass in QED in the presence of an external magnetic field is considered. The dynamical mass of a fermion…

High Energy Physics - Theory · Physics 2007-05-23 V. P. Gusynin

We study the connection of the dynamics in relativistic field theories in a strong magnetic field with the dynamics of noncommutative field theories (NCFT). As an example, the Nambu-Jona-Lasinio models in spatial dimensions $d \geq 2$ are…

High Energy Physics - Theory · Physics 2009-11-10 E. V. Gorbar , V. A. Miransky

A non-relativistic, charged-particle beam is placed into a crossed magnetic field. For such a system, the nonlinear electrostatic oscillations generation in the different degrees of the beam freedom may be triggered by the energy/momentum…

Plasma Physics · Physics 2019-07-03 A. R. Karimov , A. M. Bulygin , P. A. Murad
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