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Related papers: Spin-orbit interaction and weak localization in he…

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Theory of weak antilocalization is developed for high-mobility two-dimensional systems. Spin-orbit interaction of Rashba and Dresselhaus types is taken into account. Anomalous magnetoresistance is calculated in the whole range of…

Mesoscale and Nanoscale Physics · Physics 2010-12-30 L. E. Golub

Weak localization corrections to conductivity of ferromagnetic systems are studied theoretically in the case when spin-orbit interaction plays a significant role. Two cases are analyzed in detail: (i) the case when the spin-orbit…

Materials Science · Physics 2009-11-07 V. K. Dugaev , P. Bruno , J. Barnas

The effects of structural (Rashba) and bulk (Dresselhaus) spin-orbit interaction terms on the low-field magnetoresistance are investigated in high-quality two dimensional systems. The weak localization theory accounting for both of these…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. M. Glazov , L. E. Golub

Theory of weak localization in graphene with Rashba splitting of energy spectrum is developed. Anomalous magnetoresistance caused by weak localization is calculated with account for inter- and intravalley, spin-orbit and spin-valley…

Mesoscale and Nanoscale Physics · Physics 2023-10-13 L. E. Golub

Theory of interference-induced quantum corrections to conductivity is developed for two dimensional systems with chiral spin textures including skyrmions. The effect of exchange interaction between electrons and spin textures on weak…

Mesoscale and Nanoscale Physics · Physics 2019-07-24 K. S. Denisov , L. E. Golub

We present a theory of weak localization (WL) in the presence of generic spin-dependent fields, including any type of spin-orbit coupling, Zeeman fields, and non-homogeneous magnetic textures. We go beyond the usual diffusive approximation,…

Mesoscale and Nanoscale Physics · Physics 2024-04-30 Alberto Hijano , Stefan Ilić , F. Sebastián Bergeret

Theory of weak localization is developed for two-dimensional holes in the presence of in-plane magnetic field. The Zeeman splitting even in the hole momentum results in the spin-dependent phase changing the quantum interference. The…

Mesoscale and Nanoscale Physics · Physics 2022-12-28 M. O. Nestoklon , L. E. Golub

Theory of weak localization is developed for electrons in semiconductor quantum wells grown along [110] and [111] crystallographic axes. Anomalous conductivity correction caused by weak localization is calculated for symmetrically doped…

Mesoscale and Nanoscale Physics · Physics 2014-09-05 F. V. Porubaev , L. E. Golub

We derive a closed-form expression for the weak localization (WL) corrections to the magnetoconductivity of a 2D electron system with arbitrary Rashba $\alpha$ and Dresselhaus $\beta$ (linear) and $\beta_3$ (cubic) spin-orbit interaction…

Mesoscale and Nanoscale Physics · Physics 2019-04-24 D. C. Marinescu , Pirmin J. Weigele , J. Carlos Egues , Dominik Zumbühl

We develop a semiclassical theory for spin-dependent quantum transport to describe weak (anti)localization in quantum dots with spin-orbit coupling. This allows us to distinguish different types of spin relaxation in systems with chaotic,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Oleg Zaitsev , Diego Frustaglia , Klaus Richter

Weak localization theory is developed for graphene heterostructures with transition metal dichalcogenides and topological insulators where the Rashba and valey-Zeeman spin-splittings of the energy spectrum are large enough. The anomalous…

Mesoscale and Nanoscale Physics · Physics 2025-09-24 L. E. Golub

We report on the magnetoconductivity of quasi two-dimensional electron systems in inversion layers on p-type InAs single crystals. In low magnetic fields pronounced features of weak localization and antilocalization are observed. They are…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Christopher Schierholz , Toru Matsuyama , Ulrich Merkt , Guido Meier

A change in a materials electrical resistance with magnetic field (magnetoresistance) results from quantum interference effects and, or spin-dependent transport, depending on materials properties and dimensionality. In disordered…

We compute analytically the weak (anti)localization correction to the Drude conductivity for electrons in tubular semiconductor systems of zinc blende type. We include linear Rashba and Dresselhaus spin-orbit coupling (SOC) and compare…

Mesoscale and Nanoscale Physics · Physics 2016-12-09 Michael Kammermeier , Paul Wenk , John Schliemann , Sebastian Heedt , Thomas Schäpers

We study the effect of magnetic scattering on transport in a system with strong structural disorder, using exact finite size calculation of the low frequency optical conductivity. At weak electron-spin coupling spin disorder leads to a…

Disordered Systems and Neural Networks · Physics 2009-11-10 Sanjeev Kumar , Pinaki Majumdar

We have developed a theory of the negative magnetoresistance due to the weak localization in uniaxial wurtzite-type crystals, in which the spin splitting of the conduction band is linear in the wave vector, unlike the cubic ${\rm A_3 B_5}$…

Condensed Matter · Physics 2009-10-28 F. G. Pikus , G. E. Pikus

The effect of weak localization on spin relaxation in a two-dimensional system with a spin-split spectrum is considered. It is shown that the spin relaxation slows down due to the interference of electron waves moving along closed paths in…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. S. Lyubinskiy , V. Yu. Kachorovskii

We investigate theoretically the influence of the spin-orbit interaction of Rashba type on the magnetoresistance of a semiconducting ferromagnetic nanostructure with a laterally constrained domain wall. The domain wall is assumed sharp (on…

Materials Science · Physics 2009-11-10 V. K. Dugaev , J. Barnas , J. Berakdar , V. I. Ivanov , W. Dobrowolski , V. F. Mitin

We have for the first time experimentally investigated the weak localisation magnetoresistance in a AlGaAs/GaAs p-type quantum well. The peculiarity of such systems is that spin-orbit interaction is strong. On the theoretical side it is not…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. Pedersen , C. B. Sorensen , A. Kristensen , P. E. Lindelof , L. E. Golub , N. S. Averkiev

We investigate experimentally and theoretically the spin-orbit effects on the weak localization in a (110) GaAs 2-dimensional electron gas (2DEG). We analyze the role of two different terms in the spin splitting of the conduction band: the…

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