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We investigate the spin relaxation induced by acoustic phonons in the presence of spin-orbit interactions in single electron Si/SiGe lateral coupled quantum dots. The relaxation rates are computed numerically in single and double quantum…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Martin Raith , Peter Stano , Jaroslav Fabian

Spin-flip Raman scattering of electrons and heavy-holes is studied for resonant excitation of neutral and charged excitons in a CdTe/Cd$_{0.63}$Mg$_{0.37}$Te quantum well. The spin-flip scattering is characterized by its dependence on the…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 J. Debus , D. Dunker , V. F. Sapega , D. R. Yakovlev , G. Karczewski , T. Wojtowicz , J. Kossut , M. Bayer

Electron-electron scattering is one of the most important hot carrier relaxation pathways in plasmonic nanoparticles. Understanding the dynamics of this scattering process and the effects of this on excited state dephasing and relaxation is…

Chemical Physics · Physics 2026-03-09 Yanze Wu , George C. Schatz

There currently is a large effort to explore spin-orbit effects in semiconductor structures with the ultimate goal of manipulating electron spins with gates. A search for materials with large spin-orbit coupling is therefore important. We…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. A. Studenikin , P. T. Coleridge , P. Poole , A. Sachrajda

The spin dynamics of localized electrons in bulk semiconductors is governed by the interplay of effective nuclear field fluctuations, spin exchange between electrons, and spin transitions into the conduction band. Using spin noise…

Mesoscale and Nanoscale Physics · Physics 2025-12-24 A. L. Zibinskiy , S. Cronenberger , B. Gribakin , R. Baye , D. Scalbert , R. André , D. S. Smirnov , M. Vladimirova

The physics of vibrational kinetics in nitrogen-containing plasma produced by collisions with electrons is studied on the basis of recently derived cross sections and rate coefficients for the resonant vibrational-excitation by…

Chemical Physics · Physics 2013-04-17 V. Laporta , D. Bruno

A theory of the circular photogalvanic effect caused by spin splitting in quantum wells is developed. Direct interband transitions between the hole and electron size-quantized subbands are considered. It is shown that the photocurrent value…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. E. Golub

We investigate the electron spin relaxation of $n$-type InAs quantum wires by numerically solving the fully microscopic kinetic spin Bloch equations with the relevant scattering explicitly included. We find that the quantum-wire size and…

Materials Science · Physics 2009-10-03 C. Lü , H. C. Schneider , M. W. Wu

Measurements of spin dynamics of electrons in a degenerate two dimensional electron gas, where the Dyakonov-Perel mechanism is dominant, have been used to investigate the electron scattering time (tp*) as a function of energy near the Fermi…

Other Condensed Matter · Physics 2008-03-11 W. J. H. Leylanda , R. T. Harley , M. Henini , A. J. Shields , I. Farrer , D. A. Ritchie

It is shown that the spin orientation of free electrons occurs in low-symmetry semiconductor structures if only the electron gas is driven out of thermal equilibrium with the crystal lattice. The proposed mechanism of such a thermal…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. A. Tarasenko

The influence of e-h scattering on the conductivity and magnetotransport of 2D semimetallic HgTe is studied both theoretically and experimentally. The presence of e-h scattering leads to the friction between electron and holes resulting in…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 M. V. Entin , L. I. Magarill , E. B. Olshanetsky , Z. D. Kvon , N. N. Mikhailov , S. A. Dvoretsky

In transition metal dichalcogenide semiconductor monolayers the spin dynamics of electrons is controlled by the original spin-valley locking effect resulting from the interplay between spin-orbit interaction and inversion asymmetry. As a…

Mesoscale and Nanoscale Physics · Physics 2024-07-11 D. Lagarde , M. Glazov , V. Jindal , K. Mourzidis , Iann Gerber , A. Balocchi , L. Lombez , P. Renucci , T. Taniguchi , K. Watanabe , C. Robert , X. Marie

Highly accurate numerical results of phonon-induced two-electron spin relaxation in silicon double quantum dots are presented. The relaxation, enabled by spin-orbit coupling and the nuclei of $^{29}$Si (natural or purified abundance), are…

Mesoscale and Nanoscale Physics · Physics 2013-02-01 Martin Raith , Peter Stano , Jaroslav Fabian

We study the spin dynamics in the presence of impurity and electron-electron (e-e) scattering in a III-V semiconductor quantum well with arbitrary spin-orbit coupling (SOC) strength and symmetry at finite temperature. We derive the coupled…

Disordered Systems and Neural Networks · Physics 2015-06-11 Xin Liu , Jairo Sinova

We study inelastic electron-electron scattering mediated by the exchange interaction of electrons with magnetic impurities, and find the kernel of the corresponding two-particle collision integral. In a wide region of parameters, the kernel…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Kaminski , L. I. Glazman

We investigate electron spin relaxation in $p$-type GaAs quantum wells from a fully microscopic kinetic spin Bloch equation approach, with all the relevant scatterings, such as the electron-impurity, electron-phonon, electron-electron…

Materials Science · Physics 2009-11-20 Y. Zhou , J. H. Jiang , M. W. Wu

A theory is developed for the evolution of the non-equilibrium distribution of quasiparticles when the scattering rate decreases due to particle collisions. We propose a "modified one-collision approximation" which is most effective for…

Disordered Systems and Neural Networks · Physics 2009-11-10 R. N. Gurzhi , A. I. Kopeliovich , A. N. Kalinenko , A. V. Yanovsky , E. N. Bogachek , Uzi Landman , H. Buhmann , L. W. Molenkamp

Relaxation of a non-equilibrium state in a disordered metal with a spin-dependent electron energy distribution is considered. The collision integral due to the electron-electron interaction is computed within the approximation of a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 O. V. Dimitrova , V. E. Kravtsov

Spin relaxation of two-dimensional electrons in asymmetrical (001) AlGaAs quantum wells are measured by means of Hanle effect. Three different spin relaxation times for spins oriented along [110], [1-10] and [001] crystallographic…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 N. S. Averkiev , L. E. Golub , A. S. Gurevich , V. P. Evtikhiev , V. P. Kochereshko , A. V. Platonov , A. S. Shkolnik , Yu. P. Efimov

The long standing problem of inexplicably short spin relaxation in carbon nanotubes (CNTs) is examined. The curvature-mediated spin-orbital interaction is shown to induce fluctuating electron spin precession causing efficient relaxation in…

Materials Science · Physics 2015-05-18 Y. G. Semenov , J. M. Zavada , K. W. Kim
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