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Related papers: Enhancement of polarization in a spin-orbit coupli…

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Spin bath polarization is the key to enhancing the sensitivity of quantum sensing and information processing. Significant effort has been invested in identifying the consequences of quantumness and its control for spin-bath polarization.…

The spin filtering in storage rings is based on the multiple passage of a stored beam through a polarized internal gas target. Apart from the polarization by transmission, a unique geometrical feature of interaction with the target in such…

High Energy Physics - Phenomenology · Physics 2017-08-23 N. N. Nikolaev , F. F. Pavlov

Recently, a series of noncentrosymmetric superconductors has been a subject of considerable interest since the discovery of superconductivity in CePt_3Si. In noncentrosymmetric materials, the degeneracy of bands is lifted in the presence of…

Strongly Correlated Electrons · Physics 2013-01-29 Takashi Yanagisawa

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

The generation of non-equilibrium electron spin polarization, spin transport, and spin detection are fundamental in many quantum devices. We demonstrate that a lattice of magnetic nanodots enhances the electron spin polarization in…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 Tim Anlauf , Marta Prada , Stefan Freercks , Bojan Bosnjak , Robert Frömter , Jonas Sichau , Hans Peter Oepen , Lars Tiemann , Robert H. Blick

Spin splitting in p-type semiconductor nanowires is strongly affected by the interplay between quantum confinement and spin-orbit coupling in the valence band. The latter's particular importance is revealed in our systematic theoretical…

Mesoscale and Nanoscale Physics · Physics 2008-01-16 D. Csontos , U. Zuelicke

Spin-orbit coupling in semiconductors relates the spin of an electron to its momentum and provides a pathway for electrically initializing and manipulating electron spins for applications in spintronics and spin-based quantum information…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 V. Sih , R. C. Myers , Y. K. Kato , W. H. Lau , A. C. Gossard , D. D. Awschalom

The influence of external magnetic field switching $"$on$"$ and $"$off$"$ on the non-stationary spin-polarized currents in the system of correlated single-level quantum dot coupled to non-magnetic electronic reservoirs has been analyzed. It…

Mesoscale and Nanoscale Physics · Physics 2017-06-29 V. N. Mantsevich , N. S. Maslova , P. I. Arseyev

We theoretically study the renormalization of inertial effects on the spin dependent transport of conduction electrons in a semiconductor by taking into account the interband mixing on the basis of k.p perturbation theory. In our analysis,…

Mesoscale and Nanoscale Physics · Physics 2013-09-06 B. Basu , Debashree Chowdhury

The drift-diffusion formalism for spin-polarized carrier transport in semiconductors is generalized to include spin-orbit coupling. The theory is applied to treat the extrinsic spin Hall effect using realistic boundary conditions. It is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Wang-Kong Tse , J. Fabian , I. Zutic , S. Das Sarma

A common path to superconducting spintronics, Majorana fermions, and topologically-protected quantum computing relies on spin-triplet superconductivity. While naturally occurring spin-triplet pairing is elusive and even common spin-triplet…

Superconductivity · Physics 2020-02-05 Thomas Vezin , Chenghao Shen , Jong E. Han , Igor Žutić

The spin dynamics and spin relaxation of itinerant electrons in quantum wires with spin-orbit coupling is reviewed. We give an introduction to spin dynamics, and review spin-orbit coupling mechanisms in semiconductors. The spin diffusion…

Mesoscale and Nanoscale Physics · Physics 2010-12-17 Paul Wenk , Stefan Kettemann

It is shown that spin Hall effect creates uniform spin polarization of electrons in semiconductor with a linear in the momentum spin splitting of conduction band. In turn, the profile of the non-uniform spin polarization accumulated at the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. L. Korenev

Proposal for construction of a source of spin-polarized current based on quantum point contact with local spin-orbit interaction is presented. We show that spin-orbit interaction present within the narrowing acts like a spin filter. The…

Mesoscale and Nanoscale Physics · Physics 2013-11-14 M. P. Nowak , B. Szafran

We theoretically investigate magnetoresistance (MR) effects in connection with spin filtering in quantum-coherent transport through tunnel junctions based on non-magnetic/semimagnetic heterostructures. We find that spin filtering in…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. C. Egues , C. Gould , G. Richter , L. W. Molenkamp

We derive the effective charge- and current-density operators for the strong-coupling limit of a single-band Mott insulator in the presence of spin-orbit coupling and show that the spin-orbit contribution to the effective charge density…

Strongly Correlated Electrons · Physics 2015-06-23 Shan Zhu , You-Quan Li , Cristian D. Batista

Structure of the spin-orbit coupling varies from material to material and thus finding the correct spin-orbit coupling structure is an important step towards advanced spintronic applications. We show theoretically that the curvature in a…

Mesoscale and Nanoscale Physics · Physics 2011-09-14 Jae-Seung Jeong , Hyun-Woo Lee

Present work demonstrates the formation of spin-orbital polarons in electron doped copper oxides, that arise due to doping-induced polarisation of the oxygen orbitals in the CuO$_2$ planes. The concept of such polarons is fundamentally…

Strongly Correlated Electrons · Physics 2018-05-23 Anna Kusmartseva , Heshan Yu , Kui Jin , Feodor Kusmartsev

We describe theoretically the spin Nernst effect for electrons tunneling to a quantum dot from a quantum wire with the heat flowing along it. Such a tunneling spin Nernst effect is shown to take place due to the spin-dependent electron…

Mesoscale and Nanoscale Physics · Physics 2024-08-08 V. N. Mantsevich , D. S. Smirnov

We obtain explicit expressions for the correlation functions of transmission and reflection coefficients of coherent electronic waves propagating through a disordered quasi-one-dimensional medium with purely elastic diffusive scattering in…

Condensed Matter · Physics 2009-10-22 A. M. S. Macedo