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We first bring up the concept of spin-current Seebeck effect based on a recent experiment [Nat. Phys. {\bf 8}, 313 (2012)], and investigate the spin-current Seebeck effect in quantum dot (QD) systems. Our results show that the spin-current…

Mesoscale and Nanoscale Physics · Physics 2014-01-08 Zhi-Cheng Yang , Qing-Feng Sun , X. C. Xie

Prospect of building electronic devices in which electron spins store and transport information has revived interest in the spin relaxation of conduction electrons. Since spin-polarized currents cannot flow indefinitely, basic…

Condensed Matter · Physics 2009-10-31 Jaroslav Fabian , S. Das Sarma

We suggest a generalization of nonlinear $\sigma$-model for diffusive superconducting systems to account for magnetoelectric effects due to spin-orbit scattering. In the leading orders of spin-orbit strength and gradient expansion it…

Superconductivity · Physics 2021-09-02 P. Virtanen , F. S. Bergeret , I. V. Tokatly

We report a theoretical study on the inelastic Coulomb scattering rate of an injected electron in two coupled quantum wires in quasi-one-dimensional doped semiconductors. Two peaks appear in the scattering spectrum due to the optical and…

Strongly Correlated Electrons · Physics 2009-10-31 Marcos R. S. Tavares , Guo-Qiang Hai

We study the Coulomb drag effect in double layer electronic systems with local tunneling links. The possibility of tunneling between the layers leads to a pronounced exchange contribution to the transconductance, which is negative and…

Condensed Matter · Physics 2009-10-30 Yuval Oreg , Alex Kamenev

Electronic defects in semiconductors form the basis for many emerging quantum technologies. Understanding defect spin and charge dynamics in solid state platforms is crucial to developing these building blocks, but many defect centers are…

We provide a theoretical description of diffusive charge and spin transport in hybrid devices containing altermagnets. Based on recently derived drift--diffusion equations for coupled charge and spin dynamics and general boundary…

Mesoscale and Nanoscale Physics · Physics 2026-03-17 Nicolás Sigales , Tim Kokkeler , Gonzalo de Polsi , Sebastian Bergeret

This article reviews steady-state spin densities and spin currents in materials with strong spin-orbit interactions. These phenomena are intimately related to spin precession due to spin-orbit coupling which has no equivalent in the steady…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Dimitrie Culcer

In the spin energy excitation mode of normal metals and superconductors, spin up and down electrons (or quasiparticles) carry different heat currents. This mode occurs only when spin up and down energy distribution functions are…

Mesoscale and Nanoscale Physics · Physics 2020-01-14 M. Kuzmanović , B. Y. Wu , M. Weideneder , C. H. L. Quay , M. Aprili

In semiconductor heterostructures, bulk and structural inversion asymmetry and spin-orbit coupling induce a k-dependent spin splitting of valence and conduction subbands, which can be viewed as being caused by momentum-dependent crystal…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 C. A. Ullrich , M. E. Flatte

The effects of carrier-impurity correlations due to a Kondo-like spin-spin interaction in diluted magnetic semiconductors are investigated. These correlations are not only responsible for a transfer of spins between the carriers and the…

Mesoscale and Nanoscale Physics · Physics 2016-02-03 Moritz Cygorek , Pablo Ignacio Tamborenea , Vollrath Martin Axt

When a spin-splitting field is introduced to a thin film superconductor, the spin currents polarized along the field couples to energy currents that can only decay via inelastic scattering. We study spin and energy injection into such a…

Mesoscale and Nanoscale Physics · Physics 2024-06-05 Lina Johnsen Kamra , Jacob Linder

We have analyzed Coulomb drag between currents of interacting electrons in two parallel one-dimensional conductors of finite length $L$ attached to external reservoirs. For strong coupling, the relative fluctuations of electron density in…

Condensed Matter · Physics 2009-10-31 Vadim Ponomarenko , Dmitri Averin

We theoretically predict that the motion of a polar crystalline layer between two graphene planes exerts Coulomb drag on electrons in graphene, inducing a DC drag current. The physical mechanism underlying this drag arises from intervalley…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 A. L. Chudnovskiy

We predict a new effect in electronic bilayers: the {\it Spin Hall Drag}. The effect consists in the generation of spin accumulation across one layer by an electric current along the other layer. It arises from the combined action of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. M. Badalyan , G. Vignale

The flow of electric current in quantum well breaks the space inversion symmetry, which leads to the dependence of the radiation transmission on the relative orientation of current and photon wave vector, this phenomenon can be named…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 G. V. Budkin , I. S. Makhov , D. A. Firsov

An altermagnet is a newly discovered antiferromagnet, characterized by unique anisotropic spin-split energy bands. It has attracted tremendous interest, because of its promising potential in information storage and processing. However,…

Mesoscale and Nanoscale Physics · Physics 2025-04-04 Hao-Jie Lin , Song-Bo Zhang , Hai-Zhou Lu , X. C. Xie

Exciton spin dynamics in quasi-spherical CdS quantum dots is studied in detail experimentally and theoretically. Exciton states are calculated using the 6-band k.p Hamiltonian. It is shown that for various sets of Luttinger parameters, when…

Materials Science · Physics 2015-05-14 P. Horodyska , P. Nemec , D. Sprinzl , P. Maly , V. N. Gladilin , J. T. Devreese

We study the dispersion properties of surface plasmon oscillations in a semi-bounded semiconductor plasma with the effects of the Coulomb exchange force associated with the spin polarization of electrons and holes as well as the effects of…

Plasma Physics · Physics 2018-03-02 M. Shamansouri , A. P. Misra

In recent work we formulated a new set of electrodynamic equations for superconductors as an alternative to the conventional London equations, compatible with the prediction of the theory of hole superconductivity that superconductors expel…

Superconductivity · Physics 2009-11-13 J. E. Hirsch