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Related papers: Evidence of pure spin current

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It is theoretically predicted that a traveling shear wave will create a spin current in certain direct-gap (for example III-V compound) semiconductors with contributions from both the valence bands and the conduction band (for $n$-doped…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Prashant Sharma

We discuss how to detect fluctuating spin currents and derive full counting statistics of electron spin transfers. It is interesting to consider several detectors in series that simultaneously monitor different components of the spins…

Condensed Matter · Physics 2009-11-10 Antonio Di Lorenzo , Yuli V. Nazarov

We theoretically investigate the fluctuation of a pure spin current induced by the spin Seebeck effect and spin pumping in a normal metal (NM)/ferromagnet (FM) bilayer system. Starting with a simple FI--NM interface model with both…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 M. Matsuo , Y. Ohnuma , T. Kato , S. Maekawa

Because of its fascinating electronic properties, graphene is expected to produce breakthroughs in many areas of nanoelectronics. For spintronics, its key advantage is the expected long spin lifetime, combined with its large electron…

Spin pumping is a recently established means for generating a pure spin current, whereby spins are pumped from a magnet into the adjacent target material under the ferromagnetic resonance condition. We theoretically investigate the spin…

Mesoscale and Nanoscale Physics · Physics 2020-05-14 Yusei Fujimoto , Masanori Ichioka , Hiroto Adachi

It is proposed that when a charge current circulates in a paramagnetic metal a transverse spin imbalance will be generated, giving rise to a 'spin Hall voltage'. Similarly, that when a spin current circulates a transverse charge imbalance…

Strongly Correlated Electrons · Physics 2009-10-31 J. E. Hirsch

We consider the physics motivations and perspectives for the study of spin phenomena at the future high energies accelerators. The possibilities to use the already operating machines are also discussed. It is emphasized that the present…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. M. Nadolsky , S. M. Troshin , N. E. Tyurin

The standard definition of a spin current, applied to the conductors lacking inversion symmetry, results in nonzero spin currents. I demonstrate that the spin currents do not vanish even in the thermodynamic equilibrium, in the absence of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Emmanuel I. Rashba

We show theoretically that stimulated spin flip Raman scattering can be used to inject spin currents in doped semiconductors with spin split bands. A pure spin current, where oppositely oriented spins move in opposite directions, can be…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Ali Najmaie , E. Ya. Sherman , J. E. Sipe

This article aims at giving a general presentation of spintronics, an important field of research developing today along many new directions in physics of condensed matter. We tried to present simply the physical phenomena involved in…

Mesoscale and Nanoscale Physics · Physics 2019-12-02 Albert Fert , Frédéric Nguyen van Dau

The dynamic coupling between spin and charge currents in non-magnetic conductors is considered. As a consequence of this coupling, the spin dynamics is directly reflected in the electrical impedance of the sample, with a relevant frequency…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 P. S. Alekseev , M. I. Dyakonov

Circuit theory has been tremendously successful in translating physical equations into circuit elements in organized form for further analysis and proposing creative designs for applications. With the advent of new materials and phenomena…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Kuntal Roy

Extant proofs of the spin-statistics connection (SSC) are kinematical. C S Unnikrishnan has suggested that a dynamical interaction leading to the SSC would involve spin and perforce gravity, the only known universal force. For the…

Quantum Physics · Physics 2009-09-29 Aditya Gilra

In a recent remarkable experiment [P. Roushan et al., Nature Physics 13, 146 (2017)], a spin current in an architecture of three superconducting qubits was produced during a few microseconds by creating synthetic magnetic fields. The…

Quantum Physics · Physics 2018-02-21 Manas Kulkarni , Sven M. Hein , Eliot Kapit , Camille Aron

A magnonic spin current crossing a ferromagnet-metal interface is accompanied by spin current shot noise arising from the discrete quanta of spin carried by magnons. In thin films, e.g., the spin of so-called squeezed magnons have been…

Mesoscale and Nanoscale Physics · Physics 2023-10-20 Luise Siegl , Michaela Lammel , Akashdeep Kamra , Hans Huebl , Wolfgang Belzig , Sebastian T. B. Goennenwein

The spin orbit effect in graphene is too muted to have any observable significance with respect to its application in spintronics. However, graphene technology is too valuable to be rendered impotent to spin transport. In this communication…

Mesoscale and Nanoscale Physics · Physics 2016-01-07 Firoz Islam , Colin Benjamin

We show that an unpolarized electric current incident perpendicular to the plane of a thin ferromagnet can excite a spin-wave instability transverse to the current direction if source and drain contacts are not symmetric. The instability,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. L. Polianski , P. W. Brouwer

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

We show that pure spin currents carried by conduction electrons injected into a paramagnetic lattice of mutually interacting localized magnetic moments can be enhanced close to the Curie temperature by the exchange interaction between the…

Mesoscale and Nanoscale Physics · Physics 2018-07-09 Marco Finazzi , Federico Bottegoni , Carlo Zucchetti , Giovanni Isella , Franco Ciccacci

Spin Hall Effect is relativistic quantum mechanical effect which enables non-magnetic materials show magnetic phenomena without the application of a magnetic field. With spin Hall Effect, one can realize spintronics devices operating purely…

Mesoscale and Nanoscale Physics · Physics 2017-08-11 Dhavala Suri , R. S. Patel
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