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We derive the gradient expansion for the exchange energy of a spin-polarized electron gas by perturbing the uniformly spin polarized state and thus inducing a small non-collinearity that is slowly varying in space. We show that the…

Strongly Correlated Electrons · Physics 2013-12-04 F. G. Eich , S. Pittalis , G. Vignale

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

Radiative polarization of electrons and positrons through the Sokolov-Ternov effect is important for applications in high-energy physics. Radiative spin-polarization is a manifestation of quantum radiation reaction affecting the…

High Energy Physics - Phenomenology · Physics 2018-08-29 D. Seipt , D. Del Sorbo , C. P. Ridgers , A. G. R. Thomas

Spin polarized states in neutron matter at strong magnetic fields up to $10^{18}$ G are considered in the model with the Skyrme effective interaction. Analyzing the self-consistent equations at zero temperature, it is shown that a…

Nuclear Theory · Physics 2011-04-07 A. A. Isayev , J. Yang

We investigate the pseudospin-dependent density-energy relation (whose differential with respect to energy is density of states) of a monolayer graphene under intense terahertz laser field by exactly solving the time-dependent…

Mesoscale and Nanoscale Physics · Physics 2008-09-27 J. Zhou

We evaluate the charge and longitudinal spin response functions of a two-dimensional electron gas with $e^2/r$ interactions in an arbitrary state of spin polarization, using a structurally self-consistent approach to treat exchange and…

Strongly Correlated Electrons · Physics 2015-06-24 B. Davoudi , M. P. Tosi

We show that the pairing resonance in the Pauli-limited normal state of ultra-thin superconducting Al films provides a spin-resolved probe of conduction electron polarization in thin magnetic films. A superconductor-insulator-ferromagnet…

Superconductivity · Physics 2009-08-17 Y. M. Xiong , P. W. Adams , G. Catelani

Thermalization of systems described by the discrete non-linear Schr\"odinger equation, in the strong disorder limit, is investigated both theoretically and numerically. We show that introducing correlations in the disorder potential, while…

Disordered Systems and Neural Networks · Physics 2011-07-07 Tsampikos Kottos , Boris Shapiro

We investigated the spin coherence of high-mobility two-dimensional electron gases confined in multilayer GaAs quantum wells. The dynamics of the spin polarization was optically studied using pump-probe techniques: time-resolved Kerr…

Mesoscale and Nanoscale Physics · Physics 2016-06-02 S. Ullah , G. M. Gusev , A. K. Bakarov , F. G. G. Hernandez

Coupling of spin states and space motion of conduction electrons due to spin-orbit interaction opens up possibilities for manipulation of the electron spins by electrical means. It is shown here that spin orientation of a two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. A. Tarasenko

The spin polarization (P) of high-density InSb two-dimensional electron systems (2DESs) has been measured using both parallel and tilted magnetic fields. P is found to exhibit a superlinear increase with the total field B. This P-B…

Strongly Correlated Electrons · Physics 2011-08-18 K. F. Yang , H. W. Liu , T. D. Mishima , M. B. Santos , K. Nagase , Y. Hirayama

The strongly interacting system created in ultrarelativistic nuclear collisions behaves almost as an ideal fluid with rich patterns of the velocity field exhibiting strong vortical structure. Vorticity of the fluid, via spin-orbit coupling,…

Nuclear Experiment · Physics 2024-10-30 Takafumi Niida , Sergei A. Voloshin

Spin accumulation is generated by injecting an unpolarized charge current into a channel of GaAs two-dimensional electron gas subject to an in-plane magnetic field, then measured in a non-local geometry. Unlike previous measurements that…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 H. Ebrahimnejad , Y. Ren , S. M. Frolov , I. Adagideli , J. A. Folk , W. Wegscheider

Using scanning Kerr microscopy, we directly acquire two-dimensional images of spin-polarized electrons flowing laterally in bulk epilayers of n:GaAs. Optical injection provides a local dc source of polarized electrons, whose subsequent…

Materials Science · Physics 2009-11-10 S. A. Crooker , D. L. Smith

Using the semiclassical theory of electron dynamics, we derive a gauge-invariant expression for the spin toroidization in a periodical crystal. We show that the spin toroidization is comprised of two contributions: one is due to the…

Mesoscale and Nanoscale Physics · Physics 2018-05-02 Yang Gao , David Vanderbilt , Di Xiao

The Edelstein effect occurring in systems with broken inversion symmetry generates a spin polarization when an electric field is applied, which is most advantageous in spintronics applications. Unfortunately, it became apparent that this…

Strongly Correlated Electrons · Physics 2018-03-15 Robert Peters , Youichi Yanase

We develop a drift-diffusion equation that describes electron spin polarization density in two-dimensional electron systems. In our approach, superpositions of spin-up and spin-down states are taken into account, what distinguishes our…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yuriy V. Pershin

The spin polarization of photoelectrons induced by an intense linearly polarized laser field is investigated using numerical solutions of the time-dependent Schr\"odinger equation in companion with our analytic treatment via the…

Atomic Physics · Physics 2024-02-20 Pei-Lun He , Zhao-Han Zhang , Karen Z. Hatsagortsyan , Christoph H. Keitel

Noninteracting electrons confined to a corrugated surface are investigated in magnetic field, and the associated effective Pauli equation is given analytically by the thin-layer quantization scheme. Interestingly, the Zeeman splitting gaps…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Hao Zhao , Yong-Long Wang , Run Cheng , Guo-Hua Liang , Hua Jiang , Hui Liu , Hong-Shi Zong

Spin effects in the tunneling regime of strong field ionization of hydrogenlike highly charged ions in linearly as well as circularly polarized laser fields are investigated. The impact of the polarization of a laser field on the spin…

Quantum Physics · Physics 2018-07-04 Enderalp Yakaboylu , Michael Klaiber , Karen Z. Hatsagortsyan