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Related papers: Nonlocal Magnetoresistance Mediated by Spin Superf…

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The nonlinear interaction of DC current flowing in a thin metal film with an external low-frequency AC electromagnetic field is studied theoretically. The nonlinearity is related to the influence of the magnetic field of the DC current and…

Condensed Matter · Physics 2009-10-31 S. A. Derev'anko , G. B. Tkachev , V. A. Yampol'skii

We study theoretically the detection and possible utilization of electric current-induced mechanical torques in ferromagnetic-normal metal heterostructures that are generated by spin-flip scattering or the absorption of transverse spin…

Mesoscale and Nanoscale Physics · Physics 2010-01-01 Alexey A. Kovalev , Gerrit E. W. Bauer , Arne Brataas

We investigate the ac transport of magnetization in non-itinerant quantum systems such as spin chains described by the XXZ Hamiltonian. Using linear response theory, we calculate the ac magnetization current and the power absorption of such…

Mesoscale and Nanoscale Physics · Physics 2008-08-29 Bjoern Trauzettel , Pascal Simon , Daniel Loss

We study charge transport through a metallic dot coupled to a superconducting and a ferromagnetic lead with a precessing magnetization due to ferromagnetic resonance. Using the quasiclassical theory, we find that the magnetization…

Superconductivity · Physics 2015-06-04 Caroline Richard , Manuel Houzet , Julia S. Meyer

We show that in the metallic phase of a two dimensional electron gas the spin-orbit coupling due to structure inversion asymmetry leads to a characteristic anisotropy in the magnetoconductance. Within the assumption that the metallic phase…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 P. Schwab , R. Raimondi

We theoretically investigate inelastic transport through anisotropic magnetic molecules weakly coupled to one ferromagnetic and one nonmagnetic lead. We find that the current is suppressed over wide voltage ranges due to spin blockade. In…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Florian Elste , Carsten Timm

The superconducting behavior of the topological semimetal CaSn$_{3}$ was investigated by means of magnetotransport and muon spectroscopy $\mu$SR measurements, both providing strong evidence of nematic behavior. Magnetotransport detects an…

The supercurrent of a quantum point contact coupled to a nanomagnet strongly depends on the dynamics of the nanomagnet's spin. We employ a fully microscopic model to calculate the transport properties of a junction coupled to a spin whose…

Superconductivity · Physics 2015-06-04 C. Holmqvist , W. Belzig , M. Fogelström

An electrically conductive metal typically transmits or absorbs a spin current. Here, we report on evidence that interfacing two metal thin films can suppress spin transmission and absorption. We examine spin pumping in…

Electrically manipulating the quantum properties of nano-objects, such as atoms or molecules, is typically done using scanning tunnelling microscopes and lateral junctions. The resulting nanotransport path is well established in these model…

Spin transport of magnonic excitations in uniaxial insulating antiferromagnets (AFs) is investigated. In linear response to spin biasing and a temperature gradient, the spin transport properties of normal-metal--insulating…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 Roberto E. Troncoso , Scott A. Bender , Arne Brataas , Rembert A. Duine

We recently showed that spin fluctuations of noncoplanar magnetic states can induce topological superconductivity in an adjacent normal metal [M{\ae}land et al., Phys. Rev. Lett. 130, 156002 (2023)]. The noncolinear nature of the spins was…

Superconductivity · Physics 2023-12-21 Kristian Mæland , Sara Abnar , Jacob Benestad , Asle Sudbø

In metallic ferromagnets, an electric current is accompanied by a flux of angula r momentum, also called spin current. In multilayers, spatial variations of the spin current correspond to drive torques exerted on a magnetic layer. These…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 L. Berger

Current-induced magnetization excitation is a core phenomenon for next-generation magnetic nanodevices, and has been attributed to the spin-transfer torque (STT) that originates from the transfer of the spin angular momentum between a…

Materials Science · Physics 2016-03-30 K. J. Kim , T. Moriyama , T. Koyama , D. Chiba , S. W. Lee , S. J. Lee , K. J. Lee , H. W. Lee , T. Ono

The interface between a ferro-/ferrimagnetic insulator and a normal metal can support spin currents polarized collinear with and perpendicular to the magnetization direction. The flow of angular momentum perpendicular to the magnetization…

Mesoscale and Nanoscale Physics · Physics 2023-01-23 David A. Reiss , Piet W. Brouwer

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

The recent discovery of spin-current transmission through antiferromagnetic (AFM) insulating materials opens up unprecedented opportunities for fundamental physics and spintronics applications. The great mystery currently surrounding this…

Applied Physics · Physics 2019-12-04 Q. Li , M. Yang , C. Klewe , P. Shafer , A. T. N'Diaye , D. Hou , T. Y. Wang , N. Gao , E. Saitoh , C. Hwang , R. J. Hicken , J. Li , E. Arenholz , Z. Q. Qiu

We predict strong, dynamical effects in the dc magnetoresistance of current flowing from a spin-polarized electrical contact through a magnetic dopant in a nonmagnetic host. Using the stochastic Liouville formalism we calculate…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Stephen R. McMillan , Nicholas J. Harmon , Michael E. Flatté

We show how the interference between superfluid spin currents can endow spin circuits with coherent logic functionality. While the hydrodynamic aspects of the linear-response collective spin transport obviate interference features, we focus…

Mesoscale and Nanoscale Physics · Physics 2017-11-08 Yaroslav Tserkovnyak , Mathias Klaeui

A nonlocal electric response in the spin-Hall regime, resulting from spin diffusion mediating charge conduction, is predicted. The spin-mediated transport stands out due to its long-range character, and can give dominant contribution to…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 D. A. Abanin , A. V. Shytov , L. S. Levitov , B. I. Halperin