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Related papers: Photon Splitting in a Very Strong Magnetic Field

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The effective interaction of a pseudoscalar particle with photon in plasma with the presence of a constant uniform magnetic field is investigated. It is shown that under some physical conditions the effective coupling between pseudoscalar…

High Energy Physics - Phenomenology · Physics 2009-11-11 N. V. Mikheev , E. N. Narynskaya

We predict the realization of ultrastrong coupling between magnons of antiferromagnets and photons in superconductor/antiferromagnet/superconductor heterostructures at terahertz frequencies, from both quantum and classical perspectives. The…

Superconductivity · Physics 2026-04-14 V. M. Gordeeva , Yanmeng Lei , Xiyin Ye , G. A. Bobkov , A. M. Bobkov , Tao Yu , I. V. Bobkova

The distribution function of electrons and phonons interacting with electrons in semiconductors and semimetals in high electric and quantizing magnetic fields as a result of the solution of the coupled system of equations for the density…

Condensed Matter · Physics 2007-05-23 T. M. Gassym

We calculate the spin flip rates for an electron in a homogeneous magnetic field for low excitations ($N\le 5$). Our results apply for all field strengths including those beyond the critical field strength at which the spin contributes as…

High Energy Physics - Phenomenology · Physics 2019-09-25 Koen van Kruining , Felix Mackenroth , Jörg B. Götte

We consider models in which the (transverse) photon mass is non-zero during inflation and drops to zero non-adiabatically at the end of inflation. Through this process, vacuum fluctuations of the photon field are converted into physical,…

The fringing fields of magnets with large apertures and short lengths greatly affect ion-optical calculations. In particular, for a high magnetic field where the iron core becomes saturated, the effective lengths and shapes of the field…

Accelerator Physics · Physics 2015-06-17 Hiroyuki Takeda , Toshiyuki Kubo , Kensuke Kusaka , Hiroshi Suzuki , Naohito Inabe , Jerry A. Nolen

In this paper we study the polarization tensor of photons in a QED plasma in the presence of a magnetic field. We do it both at vanishing and at finite temperature. We use two different methods to compute the polarization tensor components…

High Energy Physics - Phenomenology · Physics 2009-10-28 Ulf H. Danielsson , Dario Grasso

Orbital energy splittings are important quantum dot parameters for the operation of hole spin qubits. They are known to depend on the lateral confinement of the quantum dots. However, when changing top, plunger gate voltages, which are the…

Small scale magnetic fields can be observed on the Sun in G-band filtergrams as MBPs (magnetic bright points) or identified in spectro-polarimetric measurements due to enhanced signals of Stokes profiles. These magnetic fields and their…

Solar and Stellar Astrophysics · Physics 2015-06-15 D. Utz , J. Jurčák , A. Hanslmeier , R. Muller , A. Veronig , O. Kühner

The magnetic field dependence of the average spin of a localized electron coupled to conduction electrons with an antiferromagnetic exchange interaction is found for the ground state. In the magnetic field range $\mu H\sim 0.5 T_c$ ($T_c$…

Strongly Correlated Electrons · Physics 2009-10-31 Yu. N. Ovchinnikov , A. M. Dyugaev

The structure of atomic levels originating from the lowest Landau level in a superstrong magnetic field is analyzed. The influence of the screening of the Coulomb potential on the values of critical nuclear charge is studied.

High Energy Physics - Phenomenology · Physics 2017-08-23 M. I. Vysotsky

Photons propagating in an external magnetic field may oscillate into axions or axion-like particles (ALPs). Such oscillations will lead to characteristic features in the energy spectrum of high-energy photons from astrophysical sources that…

High Energy Astrophysical Phenomena · Physics 2022-01-26 M. Kachelriess , J. Tjemsland

Inter-band photo-excitation of electron states with the twisted photons in GaAs, a direct band-gap bulk semiconductor, is considered theoretically. Assuming linearity of the quantum transition amplitudes and applying Wigner-Eckart theorem,…

Mesoscale and Nanoscale Physics · Physics 2019-01-30 Maria Solyanik-Gorgone , Andrei Afanasev

Here, we demonstrate the radiative polarization of high-energy electron beams in collisions with ultrashort pulsed bi-chromatic laser fields. Employing a Boltzmann kinetic approach for the electron distribution allows us to simulate the…

Plasma Physics · Physics 2019-12-06 Daniel Seipt , Dario Del Sorbo , Christopher P. Ridgers , Alec G. R. Thomas

A recent analysis of pion photo-production multipoles using p(g,pi0) data from Mainz is repeated, successively adding constraints from other observables and varying the number of fitted partial waves. The original analysis is shown to have…

Nuclear Theory · Physics 2008-02-03 A. M. Sandorfi , J. Tonnison , S. Hoblit

We report studies of the magnetospectroscopy of graphite into a new regime of high energies and ultra-high magnetic fields which allows us to perform the first spectroscopic studies of the interlayer split off bands, $E_{1}$ and $E_{2}$.…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 R. J. Nicholas , P. Y. Solane , O. Portugall

This article studies the photodetachment of a single electron anion near an attractive center. Both the differential and total photodetachment cross section are analysed. We obtain the electron flux crossing through a spherical detector…

Atomic Physics · Physics 2014-11-26 X. P. You , M. L. Du

The Zeeman splitting of localized electrons in a quantum dot in the Kondo regime is studied using a new slave-boson formulation. Our results show that the Kondo peak splitting depends on the gate potential applied to the quantum dot and on…

Strongly Correlated Electrons · Physics 2013-05-03 J. M. Aguiar Hualde , G. Chiappe , E. V. Anda

Two interacting electrons in a harmonic oscillator potential under the influence of a perpendicular homogeneous magnetic field are considered. Analytic expressions are obtained for the energy spectrum of the two- and three-dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. Dineykhan , R. G. Nazmitdinov

The photon-induced process of electron-positron pair creation in a strong homogeneous magnetic field, provided that the polarization of particles is arbitrary, has been considered. The polarization of a photon is described in terms of the…

High Energy Physics - Phenomenology · Physics 2010-02-08 O. P. Novak , R. I. Kholodov