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Related papers: Non-Local Transport Mediated by Spin-Supercurrents

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Spin-transport in superconductors is a subject of fundamental and technical importance with the potential for applications in superconducting-based cryogenic memory and logic. Research in this area is rapidly intensifying with recent…

Mesoscale and Nanoscale Physics · Physics 2020-04-02 K. Ohnishi , S. Komori , G. Yang , K. -R. Jeon , L. A. B. Olde Olthof , X. Montiel , M. G. Blamire , J. W. A. Robinson

Many experimentally relevant quantum spin chains are approximately integrable, and support long-lived quasiparticle excitations. A canonical example of integrable model of quantum magnetism is the XXZ spin chain, for which energy spreads…

Strongly Correlated Electrons · Physics 2023-02-03 Sarang Gopalakrishnan , Romain Vasseur

Monolayer graphene with an energy gap presents a pseudospin symmetry broken ferromagnet with a perpendicular pseudomagnetization whose direction is switched by altering the type of doping between n and p. We demonstrate an electrical…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Leyla Majidi , Malek Zareyan

A theory of spin-polarized transport in inhomogeneous magnetic semiconductors is developed and applied to magnetic/nonmagnetic p-n junctions. Several phenomena with possible spintronic applications are predicted, including spinvoltaic…

Condensed Matter · Physics 2009-11-07 Igor Zutic , Jaroslav Fabian , S. Das Sarma

We survey some recent accumulated body of works on hyperfine-mediated transport in a confined one-dimensional channel, realized typically by electrostatic gating. Our review begins with how the spin-polarized edge current can be used as a…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 M. H. Fauzi , Y. Hirayama

We study spin transport in nonitinerant one-dimensional quantum spin chains. Motivated by possible applications in spintronics, we consider rectification effects in both ferromagnetic and antiferromagnetic systems. We find that the crucial…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Kevin A. van Hoogdalem , Daniel Loss

We find that the electronic spin rotation induced by drift transport around a closed path in a wide variety of nonmagnetic semiconductors at zero magnetic field depends solely on the physical path taken. Physical paths that produce any…

Mesoscale and Nanoscale Physics · Physics 2010-07-07 B. J. Moehlmann , Michael E. Flatté

First principles calculations show that electric fields applied to ferromagnets generate spin currents flowing perpendicularly to the electric field. Reduced symmetry in these ferromagnets enables a wide variety of such spin currents.…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 V. P. Amin , Junwen Li , M. D. Stiles , P. M. Haney

We develop a theory for spin transported by coherent Neel dynamics through an antiferromagnetic insulator coupled to a ferromagnetic insulator on one side and a current-carrying normal metal with strong spin-orbit coupling on the other. The…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 So Takei , Takahiro Moriyama , Teruo Ono , Yaroslav Tserkovnyak

We propose a mechanism whereby spin supercurrents can be manipulated in superconductor/ferromagnet proximity systems via nonequilibrium spin injection. We find that if a spin supercurrent exists in equilibrium, a nonequilibrium spin…

Superconductivity · Physics 2020-01-14 Jabir Ali Ouassou , Jason W. A. Robinson , Jacob Linder

Current induced spin wave excitations in spin transfer torque nano-contacts are known as a promising way to generate exchange-dominated spin waves at the nano-scale. It has been shown that when these systems are magnetized in the film…

Mesoscale and Nanoscale Physics · Physics 2017-12-27 S. Morteza Mohseni , H. F. Yazdi , M. Hamdi , T. Bracher , S. Majid Mohseni

Controlling the magnetic anisotropy of ferromagnetic materials plays a key role in magnetic switching devices and spintronic applications. Examples of spin-orbit torque devices with different magnetic anisotropy geometries (in-plane or…

We address the tunneling conductance and spin inelastic tunneling spectroscopy of localized paramagnetic moments in a superconducting environment, pertaining to recent measurements on Fe-octaethylporphyrin-chloride using superconducting…

Mesoscale and Nanoscale Physics · Physics 2015-05-29 P. Berggren , J. Fransson

Spin currents can exert spin-transfer torques on magnetic systems even in the limit of vanishingly small net magnetization, as is the case for antiferromagnets. Here, we experimentally show that a spin-transfer torque is operative in a…

In a recent paper [Phys. Rev. Lett. 97, 070401 (2006)] the transition rate of magnetic spin-flip of a neutral two-level atom trapped in the vicinity of a thick superconducting body was studied. In the present paper we will extend these…

Quantum Physics · Physics 2013-05-29 Per K. Rekdal , Bo-Sture K. Skagerstam

Novel spin transport behavior is theoretically shown to result from replacing the usual metal (or poly-silicon) gate in a silicon field-effect transistor with a ferromagnet, separated from the semiconductor by an ultra-thin oxide. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. P. McGuire , C. Ciuti , L. J. Sham

We present a novel pairing mechanism for superconductivity in strongly correlated electron systems, which often have both localised and itinerant charge carriers. An effective anisotropic interaction between the itinerant particles…

Strongly Correlated Electrons · Physics 2025-12-03 M. A. Zeb

We explore spin and charge transport phenomena in two dimensional electron gas in presence of Rashba spin-orbit coupling connected to two ideal Ferromagnetic leads. In particular we show through a combination of analytical and numerical…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. P. Pareek

We report on the experimental observation of nonlocal spin-dependent thermoelectric effects in superconductor-ferromagnet multiterminal structures. Our samples consist of a thin superconducting aluminum wire with several ferromagnetic…

Superconductivity · Physics 2019-10-08 J. Heidrich , D. Beckmann

Fluctuations of quantum spins play a crucial role in the emergence of exotic magnetic phases and excitations. The lack of the charge degree of freedom in insulating quantum magnets, however, precludes such fluctuations from mediating…

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