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Related papers: Electron spin diffusion in monolayer MoS$_2$

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Skew scattering of electrons induced by a spin cluster is studied theoretically focusing on metals with localized magnetic moments. The scattering probability is calculated by a non-perturbative $T$ matrix method; this method is valid for…

Mesoscale and Nanoscale Physics · Physics 2021-08-31 Hiroaki Ishizuka , Naoto Nagaosa

We construct a spin-drift-diffusion model to describe spin-polarized electron transport in zincblende semiconductors in the presence of magnetic fields, electric fields, and off-diagonal strain. We present predictions of the model for…

Materials Science · Physics 2009-11-11 M. Hruska , S. Kos , S. A. Crooker , A. Saxena , D. L. Smith

Electron spin takes critical role in almost all novel phenomena discovered in modern condensed matter physics (High-temperature superconductivity, Kondo effect, Giant Magnetoresistance, topological insulator, quantum anomalous Hall effect,…

Materials Science · Physics 2016-05-04 Fuhao Ji , Tan Shi , Mao Ye , Weishi Wan , Zhen Liu , Jiajia Wang , Tao Xu , Shan Qiao

Motivated by the recent measurements of Kondo resistivity in thin films and wires, where the Kondo amplitude is suppressed for thinner samples, the surface anisotropy for magnetic impurities is studied. That anisotropy is developed in those…

Strongly Correlated Electrons · Physics 2009-10-30 O. Ujsaghy , A. Zawadowski

Silicon is promising for spin-based quantum computation because nuclear spins, a source of magnetic noise, may be eliminated through isotopic enrichment. Long spin decoherence times, $T_2$, have been measured in isotope-enriched silicon but…

Mesoscale and Nanoscale Physics · Physics 2010-10-29 Wayne M. Witzel , Malcolm S. Carroll , Andrea Morello , Lukasz Cywinski , S. Das Sarma

Transition metal dichalcogenides (TMDs) combine interesting optical and spintronic properties in an atomically-thin material, where the light polarization can be used to control the spin and valley degrees-of-freedom for the development of…

Mesoscale and Nanoscale Physics · Physics 2021-03-10 Carmem M. Gilardoni , Freddie Hendriks , Caspar H. van der Wal , Marcos H. D. Guimarães

We utilize the kinetic spin Bloch equation approach to investigate the steady-state spin diffusion in $n$-type (111) GaAs quantum wells, where the in-plane components of the Dresselhaus spin-orbit coupling term and the Rashba term can be…

Mesoscale and Nanoscale Physics · Physics 2011-08-16 B. Y. Sun , K. Shen

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…

Atomic Physics · Physics 2014-09-19 Ai-Hua Liu , Shu-Min Li

Recent claims of an experimental demonstration of spontaneous spin polarisation in dilute electron gases \cite{young99} revived long standing theoretical discussions \cite{ceper99,bloch}. In two dimensions, the stabilisation of a…

Materials Science · Physics 2009-11-11 P. Giudici , A. R. Goñi , P. G. Bolcatto , C. R. Proetto , K. Eberl , M. Hauser , C. Thomsen

We introduce an integrable model of spin-polarized interacting electrons subject to a spin-conserving spin-orbit interaction. Using Bethe Ansatz and conformal field theory we calculate the exact large-time single-electron and density…

Strongly Correlated Electrons · Physics 2014-06-03 A. A. Zvyagin , H. Johannesson

This study explores the impact of a turbulent scattering mechanism, akin to those influencing solar and galactic cosmic rays propagating in the interplanetary medium, on the population of suprathermal electrons in the solar wind. We employ…

We use inelastic neutron scattering (INS) to investigate the effect of electron correlations on spin dynamics in the iron-based superconductor Ba$_{0.75}$K$_{0.25}$Fe$_{2}$As$_{2}$. Our INS data show a spin-wave-like dispersive feature,…

We discuss the implications of a small indium content (3%) in a GaAs epilayer on the electron- and nuclear-spin relaxation due to enhanced quadrupolar effects induced by the strain. Using the weakly perturbative spin-noise spectroscopy, we…

Mesoscale and Nanoscale Physics · Physics 2022-07-27 C. Rittmann , M. Yu. Petrov , A. N. Kamenskii , K. V. Kavokin , A. Yu. Kuntsevich , Yu. P. Efimov , S. A. Eliseev , M. Bayer , A. Greilich

Spin transport properties of a spin-polarized two-dimensional electron gas are studied in the presence of electron-electron interactions. Longitudinal and transverse spin diffusion coefficients are calculated with the quantum transport…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yutaka Takahashi , Kosuke Shizume , Naoto Masuhara

Electron spin relaxation due to the D'yakonov-Perel' mechanism is investigated in bilayer graphene with only the lowest conduction band being relevant. The spin-orbit coupling is constructed from the symmetry group analysis with the…

Mesoscale and Nanoscale Physics · Physics 2013-05-14 L. Wang , M. W. Wu

Multivalley spin relaxation in $n$-type bulk GaAs in the presence of high electric field is investigated from the microscopic kinetic spin Bloch equation approach with the $\Gamma$ and $L$ valleys included. We show that the spin relaxation…

Materials Science · Physics 2012-02-09 H. Tong , M. W. Wu

We report on the effect of elastic intervalley scattering on the energy transport between electrons and phonons in many-valley semiconductors. We derive a general expression for the electron-phonon energy flow rate at the limit where…

Disordered Systems and Neural Networks · Physics 2015-06-25 M. Prunnila , P. Kivinen , A. Savin , P. Torma , J. Ahopelto

Inelastic neutron scattering (INS) experiments were performed to investigate the spin dynamics in magnetoelectric effect (ME) LiCoPO$_4$ single crystals. Weak dispersion was detected in the magnetic excitation spectra along the three…

Strongly Correlated Electrons · Physics 2013-08-14 Wei Tian , Jiying Li , Jeffrey W. Lynn , Jerel L. Zarestky , David Vaknin

A self-consistent kinetic theory of Thomson scattering of an electromagnetic field by a non-uniform plasma is derived. We draw the readers' attention to the inconsistency in recent results on the Thomson scattering in inhomogeneous plasma,…

Plasma Physics · Physics 2018-05-16 V. V. Belyi

We present a general unifying theory for spin polarization decay due to the interplay of spin precession and momentum scattering that is applicable to both spin-1/2 electrons and spin-3/2 holes. Our theory allows us to identify and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Dimitrie Culcer , Roland Winkler
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