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In this article we extend the currently established diffusion theory of spin-dependent electrical conduction by including spin-dependent thermoelectricity and thermal transport. Using this theory, we propose new experiments aimed at…

Mesoscale and Nanoscale Physics · Physics 2012-01-17 A. Slachter , F. L. Bakker , B. J. van Wees

Motivated by a recent experiment in ultracold atoms [ S. Krinner et al., Proc. Natl. Acad. Sci. U.S.A 113, 8144 (2016)], we analyze transport of attractively interacting fermions through a one-dimensional wire near the superfluid…

Quantum Gases · Physics 2017-05-12 Shun Uchino , Masahito Ueda

A theoretical formulation for spin transport through an antiferromagnetic (AF) insulator is presented in the case driven/detected by direct/inverse spin Hall effect in two heavy metal contacts. The spin signal is shown to be transferred by…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Gen Tatara , Christian Ortiz Pauyac

We develop a microscopic theory of tunneling spin transport at the magnetic interface between a ferromagnetic insulator and a ferromagnetic superconductor (FSC) driven by ferromagnetic resonance. We show that the spin susceptibilities of…

Superconductivity · Physics 2023-05-31 Hiroshi Funaki , Ai Yamakage , Mamoru Matsuo

This paper focuses on spin superfluid transport, observation of which was recently reported in antiferromagnet Cr$_2$O$_3$ [Yuan et al., Sci. Adv. 4, eaat1098 (2018)]. This paper analyzes the role of dissipation in transformation of spin…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 E. B. Sonin

Recent progress in physics on spin dependent transport in magnetic nanostructures is reviewed. Special attention is paid on the spin accumulation and spin current caused by spin injection into non-magnetic metals and semiconductors and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Maekawa

In this work, we theoretically study the magnon spin transport in easy-plane antiferromagnetic insulators in the presence of an in-plane magnetic field. By exactly calculating the magnon spectrum, we find the band splitting due to the…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Ka Shen

Magnon eigenmodes in easy-plane antiferromagnetic insulators are linearly polarized and are not expected to carry any net spin angular momentum. Motivated by recent nonlocal spin transport experiments in the easy-plane phase of hematite, we…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Verena Brehm , Olena Gomonay , Serban Lepadatu , Mathias Kläui , Jairo Sinova , Arne Brataas , Alireza Qaiumzadeh

We consider spin transport and spin relaxation in superconductors using the quasiclassical theory of superconductivity. We include spin relaxation due to spin-orbit interaction as well as magnetic impurities, and show that the energy…

Superconductivity · Physics 2009-11-11 Jan Petter Morten , Arne Brataas , Wolfgang Belzig

A proposal to detect the purported canted antiferromagnet order for the $\nu=0$ quantum Hall state of graphene based on a two-terminal spin transport setup is theoretically discussed. In the presence of a magnetic field normal to the…

Mesoscale and Nanoscale Physics · Physics 2016-06-01 So Takei , Amir Yacoby , Bertrand I. Halperin , Yaroslav Tserkovnyak

We present a theoretical investigation of anisotropic superconducting spin transport at a magnetic interface between a p-wave superconductor and a ferromagnetic insulator. Our formulation describes the ferromagnetic resonance modulations…

Superconductivity · Physics 2022-10-18 Yuya Ominato , Ai Yamakage , Mamoru Matsuo

Using one of the methods of quantum nonequilibrium statistical physics we have investigated the spin transport transverse to the normal metal/ferromagnetic insulator interface in hybrid nanostructures. An approximation of the effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 I. I. Lyapilin , M. S. Okorokov , V. V. Ustinov

When a magnetic material hosts spin-wave excitations, or magnons, the local magnetization can rotate in circular or elliptical orbits, the latter arising naturally in the presence of magnetic anisotropies transverse to the equilibrium…

Mesoscale and Nanoscale Physics · Physics 2026-05-20 Nicolas Vidal-Silva , Alejandro O. Leon

We show that spin anisotropy can be transferred to an isotropic system by transport of spin quadrupole moment. We derive the quadrupole moment current and continuity equation and study a high-spin valve structure consisting of two…

Mesoscale and Nanoscale Physics · Physics 2011-10-18 Michael Baumgärtel , Michael Hell , Sourin Das , Maarten R. Wegewijs

We formulate a theory of spin dependent transport of an electronic circuit involving ferromagnetic elements with non-collinear magnetizations which is based on the conservation of spin and charge current. The theory considerably simplifies…

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

We explore the spin superfluid transport in exchange interaction dominated three-sublattice antiferromagnets. The system in the long-wavelength regime is described by an $SO(3)$ invariant field theory. Additional corrections from…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Bo Li , Alexey A. Kovalev

Spin superfluids enable long-distance spin transport through classical ferromagnets by developing topologically stable magnetic textures. For small spins at low dimensions, however, the topological protection suffers from strong quantum…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 Silas Hoffman , Daniel Loss , Yaroslav Tserkovnyak

Electrical manipulation of spin textures inside antiferromagnets represents a new opportunity for developing spintronics with superior speed and high device density. Injecting spin currents into antiferromagnets and realizing efficient…

We theoretically investigate laser-induced spin transport in metallic magnetic heterostructures using an effective spin transport description that treats itinerant electrons and thermal magnons on an equal footing. Electron-magnon…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Maarten Beens , Rembert A. Duine , Bert Koopmans

Planar ferromagnetic channels have been shown to theoretically support a long-range ordered and coherently precessing state where the balance between local spin injection at one edge and damping along the channel establishes a dissipative…

Mesoscale and Nanoscale Physics · Physics 2017-11-08 Ezio Iacocca , T. J. Silva , Mark A. Hoefer