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In this paper we revisit constraints on the leptophilic dark matter (DM) arising from the DM indirect detection experiments. Interactions between the charged leptons and the scalar-type, Dirac-type or vector-type DM are written in terms of…

High Energy Physics - Phenomenology · Physics 2019-09-06 Wei Chao , Zhuyao Wang

We study light-matter interactions in two dimensional photonic systems in the presence of a spatially homogeneous synthetic magnetic field for light. Specifically, we consider one or more two-level emitters located in the bulk region of the…

Quantum Physics · Physics 2021-03-15 Daniele De Bernardis , Ze-Pei Cian , Iacopo Carusotto , Mohammad Hafezi , Peter Rabl

The paper considers quantum electrodynamics (QED) and weak interaction of elementary particles in the lower orders of the perturbation theory using nonlocal Hamiltonian in the Foldy-Wouthuysen (FW) representation. Feynman rules in the FW…

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

The non-relativistic quantum field theoretic lagrangian which describes an anyon system in the presence of an electromagnetic field is identified. A non-minimal magnetic coupling to the Chern-Simons statistical field as well as to the…

High Energy Physics - Theory · Physics 2012-03-15 J. L. Cortes , J. Gamboa , L. Velazquez

We analyze mesons in constant magnetic fields ($B$) within a non-relativistic constituent quark model. Our quark model contains a harmonic oscillator type confining potential, and we perturbatively treat short range correlations to account…

High Energy Physics - Phenomenology · Physics 2021-11-03 Toru Kojo

We present a relativistic model for computing the neutrino mean free path in neutron matter. Thereby, neutron matter is described as a non-interacting Fermi gas in beta-equilibrium. We present results for the neutrino mean free path for…

Nuclear Theory · Physics 2008-11-26 K. Vantournhout , N. Jachowicz , J. Ryckebusch

Relativistic effects are investigated in nuclear matter calculations employing renormalized low-momentum nucleon-nucleon ($NN$) interactions. It is demonstrated that the relativistic effects cure a problem of non-relativistic low-momentum…

Nuclear Theory · Physics 2009-11-06 E. N. E. van Dalen , H. Müther

Magnetic nanoparticle based hyperthermia emerged as a potential tool for treating malignant tumours. The efficiency of the method relies on the knowledge of magnetic properties of the samples; in particular, knowledge of the frequency…

We derive basic scaling equations for relativistic magnetic reconnection in the general case of asymmetric inflow conditions and obtain predictions for the outflow Lorentz factor and the reconnection rate. Kinetic Particle-in-Cell…

Plasma Physics · Physics 2022-05-16 Rostom Mbarek , Colby Haggerty , Lorenzo Sironi , Michael Shay , Damiano Caprioli

We present magneto-Raman spectroscopy measurements on suspended graphene to investigate the charge carrier density-dependent electron-electron interaction in the presence of Landau levels. Utilizing gate-tunable magneto-phonon resonances,…

Mesoscale and Nanoscale Physics · Physics 2021-03-25 J. Sonntag , S. Reichardt , L. Wirtz , B. Beschoten , M. I. Katsnelson , F. Libisch , C. Stampfer

The dynamics in QED in a strong constant magnetic field and its connection with the noncommutative QED are studied. It is shown that in the regime with the lowest Landau level (LLL) dominance the U(1) gauge symmetry in the fermion…

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

The short survey of computation and properties of effective Lagrange function of intensive field in two-loop approximation accounting for radiative interaction of virtual electrons is given. The renormalization of field, charge and mass is…

High Energy Physics - Theory · Physics 2007-05-23 V. I. Ritus

We discuss the influence of the electromagnetic environment and the electron-electron interaction on the weak localization correction to the conductivity of a disordered metal. The theory of this phenomenon for sufficiently high…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Maxim Vavilov , Vinay Ambegaokar

We investigate the magnetic property of the cold quark matter employing the magnetic moment $\vec{\mu}'$ as the order parameter. Through analysis of the effective potential $V (\vec{\mu}^{' 2})$, we find that, at relatively high densities…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Niegawa

The chiral model is used to describe quark matter under strong magnetic fields and compared to other models, the MIT bag model and the two flavors Nambu-Jona-Lasinio model. The effect of vacuum corrections due to the magnetic field is…

Nuclear Theory · Physics 2011-05-13 Aziz Rabhi , Constança Providência

Perturbative gluon exchange interaction between quark and antiquark, or in a 3q system, is enhanced in magnetic field and may cause vanishing of the total q\bar q or 3q mass, and even unlimited decrease of it - recently called the magnetic…

High Energy Physics - Phenomenology · Physics 2014-01-21 M. A. Andreichikov , V. D. Orlovsky , Yu. A. Simonov

Ginzburg-Landau bulk magnetization of itinerant electrons can provide a negative effective field in the Weiss model by coupling to localized magnetic moments. The coupling enforces remnant magnetization, which can be negative or positive…

Strongly Correlated Electrons · Physics 2009-11-11 I. Bulyzhenkov , A. -M. Lamarche , G. Lamarche

We are interested on the effects, caused by strong variable density dependent magnetic fields, on hyperonic matter, its symmetry energy, equations of state and mass-radius relations. The inclusion of the anomalous magnetic moment of the…

Nuclear Theory · Physics 2013-07-19 Rudiney Hoffmann Casali , Débora Peres Menezes

The quark condensate is calculated within the world-line effective-action formalism, by using for the Wilson loop an ansatz provided by the stochastic vacuum model. Starting with the relation between the quark and the gluon condensates in…

High Energy Physics - Phenomenology · Physics 2012-10-16 Dmitri Antonov , Jose Emilio F. T. Ribeiro

We compute the effect of Landau-level-mixing on the effective two-body and three-body pseudopotentials for electrons in the lowest and second Landau levels. We find that the resulting effective three-body interaction is attractive in the…

Strongly Correlated Electrons · Physics 2015-05-13 Waheb Bishara , Chetan Nayak
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