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The polarization properties of the Compton effect in the field of a circularly polarized electromagnetic wave are discussed. In the case of nonlinear Compton effect the behavior of spin is analyzed. The transformation of the longitudinal…

High Energy Physics - Phenomenology · Physics 2011-04-15 E. M. Bol'shedvorsky , S. I. Polityko

The linear polarization of the characteristic photon emission from few-electron ions is studied for its sensitivity with regard to the nuclear spin and magnetic moment of the ions. Special attention is paid, in particular, to the…

Nuclear Theory · Physics 2013-06-04 Andrey Surzhykov , Yuri A. Litvinov , Thomas Stöhlker , Stephan Fritzsche

High-brilliance high-polarization $\gamma$ rays based on Compton scattering are of great significance in broad areas, such as nuclear, high-energy, astro-physics, etc. However, the transfer mechanism of spin angular momentum in the…

New insights into our understanding of the semirelativistic excitation of atomic hydrogen by electronic impact have been made possible by combining the use of polarized electron beams and intense laser field. The paper reviews relativistic…

Atomic Physics · Physics 2012-11-05 S. Taj , B. Manaut , M. El Idrissi , Y. Attaourti , L. Oufni

Turbulence in highly magnetized plasma can be relativistic and induce an electric field comparable to the background magnetic field. Such a strong electric field can affect the emission process of non-thermal electrons. As the first step…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Ryota Goto , Katsuaki Asano

The electron-positron pair production accompanying interaction of a circularly polarized laser pulse with a foil is studied for laser intensities higher than $10^{24}$W cm$^{-2}$. The laser energy penetrates into the foil due to the effect…

Plasma Physics · Physics 2016-11-03 I. Yu. Kostyukov , E. N. Nerush

We study the spin polarization of the electrons on the surface of topological insulators under a dc electric field or a circularly polarized light by using Keldysh Green's function formalism. When a dc electric field $E_x \sim 10^{3} {\rm…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Tetsuro Misawa , Takehito Yokoyama , Shuichi Murakami

The spin effect of electrons/positrons ($e^-$/$e^+$) and polarization effect of $\gamma$ photons are investigated in the interaction of two counter-propagating linearly polarized 10-PW-class laser pulses with a thin foil target. The…

We present a theoretical study of elastic spin-dependent electron scattering caused by a nonuniform Rashba spin-orbit coupling strength. Using the spin-generalized method of partial waves the scattering amplitude is exactly derived for the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 András Pályi , Csaba Péterfalvi , József Cserti

There has been much recent research into possible methods of polarizing an antiproton beam, the most promising being spin filtering, the theoretical understanding of which is currently incomplete. The method of polarization buildup by spin…

High Energy Physics - Phenomenology · Physics 2010-03-09 D. S. O'Brien

We consider the reflection of relativistically strong radiation from plasma and identify the physical origin of the electrons' tendency to form a thin sheet, which maintains its localisation throughout its motion. Thereby we justify the…

Plasma Physics · Physics 2018-02-14 Arkady Gonoskov

The intense magnetic fields of neutron stars naturally lead to strong anisotropy and polarization of radiation emanating from their surfaces, both being sensitive to the hot spot position on the surface. Accordingly, pulse phase-resolved…

High Energy Astrophysical Phenomena · Physics 2025-02-21 Matthew G. Baring , Hoa Dinh Thi , George A. Younes , Kun Hu

Dynamics of an electron beam head-on colliding with an ultraintense focused ultrashort circularly-polarized laser pulse are investigated in the quantum radiation-dominated regime. Generally, the ponderomotive force of the laser fields may…

Plasma Physics · Physics 2018-11-21 Yan-Fei Li , Yong-Tao Zhao , Karen Z. Hatsagortsyan , Christoph H. Keitel , Jian-Xing Li

Ionization by relativistically intense laser pulses of finite duration is considered in the framework of strong-field quantum electrodynamics. Our main focus is on the formation of ionization supercontinua. More specifically, when studying…

Atomic Physics · Physics 2016-07-13 K. Krajewska , J. Z. Kamiński

A quasi-classical theoretical description of polarization and relaxation of nuclear spins in a quantum dot with one resident electron is developed for arbitrary mechanisms of electron spin polarization. The dependence of the…

Strongly Correlated Electrons · Physics 2015-05-13 I. A. Merkulov , G. Alvarez , D. R. Yakovlev , T. C. Schulthess

Employing colliding-pulse injection has been shown to enable high-quality electron beams to be generated from laser-plasma accelerators. Here by leveraging test particle simulations, Hamiltonian analysis, and multidimensional…

Accelerator Physics · Physics 2023-10-09 Zheng Gong , Michael J. Quin , Simon Bohlen , Christoph H. Keitel , Kristjan Põder , Matteo Tamburini

Thanks to the fabrication of large aperture phase optics, ultra-intense relativistic laser plasma interaction (RLPI) experiments with complex polarization states are becoming feasible. In this work, we perform a computational investigation…

Plasma Physics · Physics 2025-09-03 Nour El Houda Hissi , Gregory K. Ngirmang , Joseph Smith , Enam A. Chowdhury

The spin-dependent density of states and the density of spin polarization of an InAs-based two-dimensional electron gas with the Rashba spin-orbit coupling under an intense terahertz laser field are investigated by utilizing the Floquet…

Materials Science · Physics 2016-08-31 J. L. Cheng , M. W. Wu

To probe the nonlinear effects of photon-photon interaction in the quantum electrodynamics, we study the generation of circular polarized photons by the collision of two linearly polarized laser beams. In the framework of the…

Optics · Physics 2015-09-09 Rohoollah Mohammadi , Iman Motie , She-Sheng Xue

This paper concerns the theory of non-recollisional ionization or detachment of atoms or ions by intense few-cycle pulses. It is shown that in certain conditions of pulse duration, peak intensity and carrier-envelope phase, the ionization…

Atomic Physics · Physics 2014-09-04 C. C. Chirila , R. M. Potvliege