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We investigate the coupling of the spin angular momentum of light beams with elliptical polarization to the spin degree of freedom of free electrons. It is shown that this coupling, which is of similar origin as the well-known spin-orbit…

量子物理 · 物理学 2014-11-04 Heiko Bauke , Sven Ahrens , Rainer Grobe

Strong rotating magnetic fields may cause a precession of the electron's spin around the rotation axis of the magnetic field. The superposition of two counterpropagating laser beams with circular polarization and opposite helicity features…

量子物理 · 物理学 2014-10-17 Sven Ahrens , Heiko Bauke , Christoph H. Keitel , Rainer Grobe

The dynamics of single laser-driven electrons and many particle systems with spin are investigated on the basis of a classical theory. We demonstrate that the spin forces can alter the electron dynamics in an ultra-relativistic laser field…

等离子体物理 · 物理学 2014-06-17 Meng Wen , Heiko Bauke , Christoph H. Keitel

The semiclassical dynamics of a charged spin-1/2 particle in an intense electromagnetic plane wave is analyzed beyond the electric dipole approximation and taking into account the leading relativistic corrections to the Pauli equation. It…

量子物理 · 物理学 2008-12-17 Arsen Khvedelidze

We study the dynamics of a particle in continuous time and space, the displacement of which is governed by an internal degree of freedom (spin). In one definite limit, the so-called quantum random walk is recovered but, although quite…

量子物理 · 物理学 2009-11-10 Claude Aslangul

The dynamics of an electron driven by arbitrary plane wave laser radiation is formulated as a relativistically and mathematically exact refraction process based on an exact index of refraction. This reformulation leads to that index as an…

等离子体物理 · 物理学 2013-04-17 Ulrich H. Gerlach , Kiam H. Kwa , Linn Van Woerkom

An electron irradiated by a linearly polarized relativistic intensity laser pulse in a cylindrical plasma channel can gain significant energy from the pulse. The laser electric and magnetic fields drive electron oscillations in a plane…

等离子体物理 · 物理学 2016-03-23 A. V. Arefiev , V. N. Khudik , A. P. L. Robinson , G. Shvets , L. Willingale

The dynamics of molecular electron excitation and ionisation is studied in real-time for ultra-short IR laser pulses of intensity I>10^{13} W/cm^{2}. The multi-electron molecule is modeled by a system of two active electrons moving in a…

光学 · 物理学 2015-06-26 A. I. Pegarkov

We study the electron scatter from the freely movable spin-$\frac{1}{2}$ particle in the presence of a linearly polarized laser field in the first Born approximation. The dressed state of electrons is described by a time-dependent wave…

原子物理 · 物理学 2014-09-19 Ai-Hua Liu , Shu-Min Li

It has recently been suggested that two counter-propagating, circularly polarized, ultra-intense lasers can induce a strong electron spin polarization at the magnetic node of the electromagnetic field that they setup. We confirm these…

等离子体物理 · 物理学 2018-04-16 Dario Del Sorbo , Daniel Seipt , Alexander G. R. Thomas , Christopher P. Ridgres

We show that when a solid plasma foil with a density gradient on the front surface is irradiated by an intense laser pulse at a grazing angle, around 80 degrees, a relativistic electron vortex is excited in the near-critical-density layer…

等离子体物理 · 物理学 2019-07-18 Longqing Yi , István Pusztai , Alexander Pukhov , Baifei Shen , Tünde Fülöp

Particle acceleration by means of non-linear plasma wave interactions is of great topical interest. Accordingly, in this paper we focus on the electron surfing process. Self-consistent kinetic simulations, using both relativistic Vlasov and…

天体物理学 · 物理学 2008-11-26 M E Dieckmann , N J Sircombe , M Parviainen , P K Shukla , R O Dendy

Laser radiation incident on a ferromagnetic sample produces excited electrons and currents whose spin polarization must not be aligned with the magnetization -- an effect due to spin-orbit coupling that is ubiquitous in spin- and…

材料科学 · 物理学 2023-11-03 Oliver Busch , Franziska Ziolkowski , Ingrid Mertig , Jürgen Henk

The mechanism of stochastic electron acceleration in colliding laser waves is investigated by employing proper canonical variables and effective time, such that the new Hamiltonian becomes time independent when the perturbative (weaker)…

等离子体物理 · 物理学 2019-05-22 Yanzeng Zhang , Sergei Krasheninnikov

Spin-orbit dynamics and relativistic corrections to the kinetic energy in strong-field dynamics, have long been ignored for near- and mid-IR fields with intensities $10^{13}$--$10^{14}$ W/cm$^2$, as the final photoelectron energies are…

原子物理 · 物理学 2023-08-30 Andrew S. Maxwell , Lars Bojer Madsen

The spin degree of freedom in quantum phases of the second Landau level is probed by resonant light scattering. The long wavelength spin wave, which monitors the degree of spin polarization, is at the Zeeman energy in the fully…

强关联电子 · 物理学 2015-03-17 Trevor D. Rhone , Jun Yan , Yann Gallais , Aron Pinczuk , Loren Pfeiffer , Ken West

The behavior of an electron spin interacting with a linearly polarized laser field is analyzed. In contrast to previous considerations of the problem, the initial state of the electron represents a localized wave packet, and a spatial…

量子物理 · 物理学 2020-08-12 I. A. Aleksandrov , D. A. Tumakov , A. Kudlis , V. M. Shabaev , N. N. Rosanov

A new, relativistically covariant, massive Lorentz Electrodynamics (LED) is presented in which the bare particle has a finite positive bare rest mass and moment of inertia. The particle's electromagnetic self-interaction renormalizes its…

数学物理 · 物理学 2009-10-31 Walter Appel , Michael K. -H. Kiessling

Motivated by recent interest in the role of the hyperfine interaction in quantum dots we study the dynamics of a localized electron spin coupled to many nuclei. An important feature of the model is that the coupling to an individual nuclear…

介观与纳米尺度物理 · 物理学 2009-11-10 Sigurdur I. Erlingsson , Yuli V. Nazarov

The emission from an electron in the field of a relativistically strong laser pulse is analyzed. At pulse intensities of J > 2 10^22 W/cm2 the emission from counter-propagating electrons is modified by the effects of Quantum ElectroDynamics…

等离子体物理 · 物理学 2010-06-01 Igor V. Sokolov , John A. Nees , Victor P. Yanovsky , Natalia M. Naumova , Gérard A. Mourou
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