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We show that in a weak external magnetic field H the quasi-particle residue and the renormalized electron Lande factor of two-dimensional Fermi liquids exhibit a non-analytic magnetic field dependence proportional to |H| which is due to…

Strongly Correlated Electrons · Physics 2015-02-05 Casper Drukier , Philipp Lange , Peter Kopietz

We investigate the viscosities of the quark-gluon plasma in strong magnetic fields within the leading-log and lowest Landau level (LLL) approximations. We first show that the bulk viscosity in the direction parallel to the magnetic field is…

High Energy Physics - Phenomenology · Physics 2017-11-17 Koichi Hattori , Xu-Guang Huang , Dirk H. Rischke , Daisuke Satow

The occupied Landau levels of strange quark matter are investigated in the framework of the SU(3) NJL model with a conventional coupling and a magnetic-field dependent coupling respectively. At lower density, the Landau levels are mainly…

High Energy Physics - Phenomenology · Physics 2016-07-12 Xin-Jian Wen , Jun-Jun Liang

Weak magnetic field induced corrections to effective coupling constants describing light vector mesons mixings and vector meson dominance (VMD) are derived. The magnetic field must be weak with respect to an effective quark mass $M^*$ such…

High Energy Physics - Phenomenology · Physics 2020-11-24 Fábio L. Braghin

Based on the recently developed light-front similarity renormalization group approach and the light-front heavy quark effective theory, we derive analytically from first-principles QCD a heavy quark light-front Hamiltonian which contains…

High Energy Physics - Phenomenology · Physics 2011-01-25 Wei-Min Zhang

A class of previously unknown strong-interaction corrections is found to enhance the rate of non-leptonic decays of the b quark by 5-8 percent. This effect decreases the predicted fraction of semi-leptonic decays and brings it into fair…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Czarnecki , M. Slusarczyk , F. V. Tkachov

We measure the thermodynamic magnetization of a low-disordered, strongly correlated two-dimensional electron system in silicon in perpendicular magnetic fields. A new, parameter-free method is used to directly determine the spectrum…

Strongly Correlated Electrons · Physics 2007-05-23 S. Anissimova , A. Venkatesan , A. A. Shashkin , M. R. Sakr , S. V. Kravchenko , T. M. Klapwijk

We investigate the interactions of weakly interacting massive particles (WIMPS) with nucleons in nuclear medium by taking into account the effect of nuclear dynamics. We derive the nonrelativistic effective operators starting from the…

High Energy Physics - Phenomenology · Physics 2021-03-09 X. G. Wang , A. W. Thomas

We study the behavior of strongly interacting matter under a uniform intense external magnetic field in the context of nonlocal extensions of the Polyakov-Nambu-Jona-Lasinio model. A detailed description of the formalism is presented,…

High Energy Physics - Phenomenology · Physics 2017-12-22 D. Gomez Dumm , M. F. Izzo Villafañe , S. Noguera , V. P. Pagura , N. N. Scoccola

Magnetic susceptibility in the deconfined phase of QCD is calculated in a closed form using a recent general expression for the quark gas pressure in magnetic field. Quark selfenergies are entering the result via Polyakov line factors and…

High Energy Physics - Phenomenology · Physics 2014-05-13 V. D. Orlovsky , Yu. A. Simonov

We discuss $\nu - \gamma$ interactions in the presence of a homogeneous magnetic field with energies less than pair production threshold. The neutrinos are taken to be massless with only standard-model couplings. The magnetic field fulfills…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Ioannisian

We discuss the low-energy dynamics of massless Dirac fermions interacting with a propagating, relativistic photon in 2+1 spacetime dimensions, when we turn on a uniform magnetic field. This problem can be solved when the magnetic field is…

High Energy Physics - Theory · Physics 2025-08-06 Thomas T. Dumitrescu , Juan Maldacena

We study the interactions between oscillating non-resonant rf fields and atoms with strong spin-exchange collisions in the presence of a weak dc magnetic field. We find that the atomic Larmor precession frequency shows a new functional form…

Atomic Physics · Physics 2019-05-29 Chuanpeng Hao , Zheru Qiu , Qi Sun , Yuan Zhu , Dong Sheng

The response in capacitance to low external magnetic fields (up to 0.1 T) of suspensions of spherical magnetic nanoparticles, single-wall carbon nanotubes (SWCNT), SWCNT functionalized with carboxyl group (SWCNT-COOH) and SWCNT…

We investigate the effects induced by excited leptons, at the one-loop level, in the anomalous magnetic and weak-magnetic form factors of the leptons. Using a general effective Lagrangian approach to describe the couplings of the excited…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. C. Gonzalez-Garcia , S. F. Novaes

We study the behavior of strongly interacting matter under an external constant magnetic field in the context of nonlocal chiral quark models within the mean field approximation. We find that at zero temperature the behavior of the quark…

High Energy Physics - Phenomenology · Physics 2017-02-22 V. P. Pagura , D. Gomez Dumm , S. Noguera , N. N. Scoccola

Strange quark matter could be found in the core of neutron stars or forming strange quark stars. As is well known, these astrophysical objects are endowed with strong magnetic fields which affect the microscopic properties of matter and…

Astrophysics · Physics 2008-12-18 R. Gonzalez Felipe , A. Perez Martinez , H. Perez Rojas , M. Orsaria

We analyze, by rigorous Renormalization Group (RG) methods, a Fermi model for Weak forces with a single family of leptons, one massless and the other with mass $m=M e^{-\beta}$, with $M$ the gauge boson mass, a quartic non-local interaction…

High Energy Physics - Theory · Physics 2024-06-24 Vieri Mastropietro

We propose the weak magnetic effect, which emerges in quark-gluon plasma close to local thermal equilibrium as the dissipative correction to the quark phase space distribution function, as a novel contribution to the observed Lambda hyperon…

Nuclear Theory · Physics 2024-02-27 Jing-An Sun , Li Yan

In this paper, we have derived the the effects of strong magnetic fields ${\bf \vec B}$ on nucleon and particle reaction rates of astrophysical significance. We have explored the sensitivity to the presence of arbitrary degeneracy and…

Astrophysics · Physics 2009-10-22 Baolian Cheng , David N. Schramm , James W. Truran