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A high reproducibility in the performance of cobalt/copper and permalloy/copper lateral spin valves with transparent contacts is obtained by optimizing the interface quality and the purity of copper. This allows us to study comprehensively…

Mesoscale and Nanoscale Physics · Physics 2013-12-05 Estitxu Villamor , Miren Isasa , Luis E. Hueso , Fèlix Casanova

A one dimensional theory of lateral spin-polarized transport is derived from the two dimensional flow in the vertical cross section of a stack of ferromagnetic and paramagnetic layers. This takes into account the influence of the lead on…

Materials Science · Physics 2008-02-20 H. Dery , L. Cywinski , L. J. Sham

Intrinsic spin currents are encountered in noncentrosymmetric crystals without any external electric fields; these currents are caused by spin-orbit interaction. In this paper, various theoretical aspects of this phenomenon in bulk…

Materials Science · Physics 2024-11-11 Ilja Turek

Orbital effects, despite their fundamental significance and potential to engender novel physical phenomena and enable new applications, have long been underexplored compared to their spin counterparts. Recently, surging interest in the…

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

Deformations in piezoelectric materials lead to conduction effects, which are due to two contributions: the relative displacements of the ionic cores, and the so-called orbital polarization. This work is devoted to the rigorous derivation…

Mathematical Physics · Physics 2022-10-19 Giuseppe De Nittis , Danilo Polo

Following the very recent experimental realisation of electron vortices, we consider their interaction with matter, in particular the transfer of orbital angular momentum in the context of electron energy loss spectroscopy, and the recently…

Quantum Physics · Physics 2015-06-03 Sophia Lloyd , Mohamed Babiker , Jun Yuan

We introduce a distinctive feature of spin-polarized transport, the Spin Coulomb Drag: there is an intrinsic source of friction for spin currents due to the Coulomb interaction between spin ``up'' and spin ``down'' electrons. We calculate…

Strongly Correlated Electrons · Physics 2007-05-23 Irene D'Amico , Giovanni Vignale

In metallic systems with spin-orbit coupling a longitudinal charge current may generate a transverse pure spin current; vice-versa an injected pure spin current may result in a transverse charge current. Such direct and inverse spin Hall…

Mesoscale and Nanoscale Physics · Physics 2022-12-23 Cosimo Gorini

Translationally diffusive behavior arising from the combination of orientational diffusion and powered motion at microscopic scales is a known phenomenon, but the peculiarities of the evolution of expected position conditioned on initial…

Soft Condensed Matter · Physics 2016-09-21 Amir Nourhani , Stephen J. Ebbens , John G. Gibbs , Paul E. Lammert

Breaking of the inversion symmetry at the interface between different materials may dramatically enhance spin-orbit interaction in the vicinity of the interface. We incorporate the effects of this interfacial spin-orbit coupling (ISOC) into…

Mesoscale and Nanoscale Physics · Physics 2019-06-12 Juan Borge , Ilya V. Tokatly

We consider the spin-orbit-induced spin Hall effect and spin swapping in diffusive superconductors. By employing the non-equilibrium Keldysh Green's function technique in the quasiclassical approximation, we derive coupled transport…

Mesoscale and Nanoscale Physics · Physics 2017-02-22 Camilla Espedal , Peter Lange , Severin Sadjina , A. G. Mal'shukov , Arne Brataas

Based on the spinor Boltzmann equation, we obtain a temperature dependent thermal spin-orbit torque in terms of the local equilibrium distribution function in a two dimensional ferromagnet with Dresselhaus spin-orbit coupling. We also…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Chun Yi Xue , Ya Ru Wang , Zheng Chuan Wang

Orbital differentiation is a common theme in multiorbital systems, yet a complete understanding of it is still missing. Here, we consider a minimal model for orbital differentiation in Hund metals with a highly accurate method: We use the…

Strongly Correlated Electrons · Physics 2020-01-08 Fabian B. Kugler , Seung-Sup B. Lee , Andreas Weichselbaum , Gabriel Kotliar , Jan von Delft

A theory of spin-transport in hybrid normal metal - ferromagnetic electronic circuits is developed, taking into account non-collinear spin-accumulation. Spin-transport through resistive elements is described by 4 conductance parameters.…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Arne Brataas , Yu. V. Nazarov , G. E. W. Bauer

This is an addendum to the paper "Some models of spin coherence and decoherence in storage rings" by one of the authors [1] in which spin diffusion in simple electron storage rings is studied. In particular, we illustrate in a compact way,…

Accelerator Physics · Physics 2015-08-24 D. P. Barber , K. Heinemann

Strongly correlated materials are expected to feature unconventional transport properties, such that charge, spin, and heat conduction are potentially independent probes of the dynamics. In contrast to charge transport, the measurement of…

In the present review different effects related to the orbital degrees of freedom are discussed. Leaving aside such aspects as the superexchange mechanism of the cooperative Jahn-Teller distortions and different properties of…

Strongly Correlated Electrons · Physics 2018-03-12 S. V. Streltsov , D. I. Khomskii

Based on the Keldysh formalism, the Boltzmann kinetic equation and the drift diffusion equation have been derived for studying spin polarization flow and spin accumulation under effect of the time dependent Rashba spin-orbit interaction in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. S. Tang , A. G. Mal'shukov , K. A. Chao

Recent observations of considerable spin polarization in photoemission from metal surfaces through monolayers of chiral molecules were followed by several efforts to rationalize the results as the effect of spin-orbit interaction that…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Joel Gersten , Kristen Kaasbjerg , Abraham Nitzan