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We present an experimental study of electron spin waves in atomic hydrogen gas compressed to high densities of $\sim 5 \times 10^{18}$ cm$^{-3}$ at temperatures ranging from 0.26 to 0.6 K in strong magnetic field of 4.6 T. Hydrogen gas is…

We discuss the strong spin segregation in a dilute trapped Fermi gas recently observed by Du et al. with "anomalous" large time scale and amplitude. In a collisionless regime, the atoms oscillate rapidly in the trap and average the…

原子物理 · 物理学 2013-05-29 F. Piechon , J. N. Fuchs , F. Laloe

We present a high magnetic field study of electron spin waves in atomic hydrogen gas compressed to high densities of 10^18 cm^-3 at temperatures ranging from 0.26 to 0.6 K. We observed a variety of spin wave modes caused by the identical…

量子气体 · 物理学 2013-05-30 O. Vainio , J. Ahokas , S. Novotny , S. Sheludyakov , D. Zvezdov , K. -A. Suominen , S. Vasiliev

In this letter, we present experimental data demonstrating spin wave interference detection using spin Hall effect (ISHE). Two coherent spin waves are excited in a yttrium-iron garnet (YIG) waveguide by continuous microwave signals. The…

介观与纳米尺度物理 · 物理学 2024-06-19 Michael Balynskiy , Howard Chiang , David Gutierrez , Alexander Khitun

We investigate the propagation of spin waves in two-component mixtures of one-dimensional Bose gases interacting through repulsive contact potentials. By using quantum Monte Carlo methods we calculate static ground-state properties, such as…

量子气体 · 物理学 2018-07-18 Luca Parisi , G. E. Astrakharchik , Stefano Giorgini

The spintronic properties of a palladium thin film have been investigated in the presence of hydrogen gas in cobalt/palladium bilayers. Measurements of the inverse spin Hall Effect (ISHE) using cavity ferromagnetic resonance allow…

材料科学 · 物理学 2020-05-20 Stuart Watt , Mikhail Kostylev

Electronic properties like current flow are generally independent of the electron's spin angular momentum, an internal degree of freedom present in quantum particles. The spin Hall effects (SHEs), first proposed 40 years ago, are an unusual…

We undertake a theoretical study of edge spin-vortex excitations in fractional quantum Hall fluid. This is done in view of quantised Euler hydrodynamics theory. The dispersions of true excitations for fractions within $0\leq \nu \leq 1$ are…

介观与纳米尺度物理 · 物理学 2016-06-29 M. Rabiu , S. Y. Mensah , I. Y. Seini , S. S Abukari

The fine structure of hydrogen energy was calculated by using the usual momentum-wavefunction relation directly, rather than establishing the well-known Dirac wave equation. As the results, the energy levels are completely the same as that…

综合物理 · 物理学 2007-05-23 H. Y. Cui

We give a theory of the inverse spin Hall effect (ISHE) in ferromagnetic metals based on skew scattering via collective spin fluctuations. This extends Kondo's theory of the anomalous Hall effect (AHE) to include short-range spin-spin…

介观与纳米尺度物理 · 物理学 2015-06-12 B. Gu , T. Ziman , S. Maekawa

We consider an effective model for graphene with interface-induced spin-orbit coupling and calculate the quantum Hall effect in the low-energy limit. We perform a systematic analysis of the contribution of the different terms of the…

介观与纳米尺度物理 · 物理学 2018-02-14 Tarik P. Cysne , Jose H. Garcia , Alexandre R. Rocha , Tatiana G. Rappoport

High spin to charge conversion efficiency is the requirement for the spintronics devices which is governed by spin pumping and inverse spin Hall effect (ISHE). In last one decade, ISHE and spin pumping are heavily investigated in…

介观与纳米尺度物理 · 物理学 2021-09-01 Koustuv Roy , Abhisek Mishra , Pushpendra Gupta , Shaktiranjan Mohanty , Braj Bhusan Singh , Subhankar Bedanta

We develop a method for universally resolving the important issue of separating the inverse spin Hall effect (ISHE) from spin rectification effect (SRE) signal. This method is based on the consideration that the two effects depend on the…

材料科学 · 物理学 2016-10-04 Wenxu Zhang , Bin Peng , Fangbin Han , Qiuru Wang , Wee Tee Soh , C K Ong , Wanli Zhang

Unveiling intrinsic spins of propagating waves usually offers people a fundamental understanding of the geometrical and topological properties of waves from classical to quantum aspects. A great variety of research has shown that transverse…

介观与纳米尺度物理 · 物理学 2018-11-14 Yang Long , Jie Ren , Hong Chen

We study the effects of spin orbit interactions on the low energy electronic structure of a single plane of graphene. We find that in an experimentally accessible low temperature regime the symmetry allowed spin orbit potential converts…

介观与纳米尺度物理 · 物理学 2009-11-10 C. L. Kane , E. J. Mele

We study the spin relaxation (SR) of a two-dimensional electron gas (2DEG) in the quantized Hall regime and discuss the role of spatial inhomogeneity effects on the relaxation. The results are obtained for small filling factors ($\nu\ll 1$)…

介观与纳米尺度物理 · 物理学 2009-11-10 S. Dickmann

We calculate the effect of spin waves on the properties of finite size spin chains with a chiral spin ground state observed on bi-atomic Fe chains deposited on Iridium(001). The system is described with a Heisenberg model supplemented with…

介观与纳米尺度物理 · 物理学 2015-02-09 A. Roldán-Molina , M. J. Santander , Á. S. Núñez , J. Fernández-Rossier

The particle-wave duality of the electron poses a principle question of whether the spin is a property of the particle or the wave. In this paper, the wave nature of the spin is studied for an electron inside a two-dimensional quantum well.…

量子物理 · 物理学 2022-09-05 Ju Gao

In this paper we propose the quantized spin Hall effect (SHE) in the vortex state of a rotating p-wave paired Fermi system in an inhomogeneous magnetic field and in a weak periodic potential. It is the three dimensional extension of the…

超导电性 · 物理学 2013-05-29 Jun Goryo , Mahito Kohmoto , Yong-Shi Wu

Electron states in a inhomogeneous Ge/Si quantum dot array with groups of closely spaced quantum dots were studied by conventional continuous wave ($cw$) ESR and spin-echo methods. We find that the existence of quantum dot groups allows to…

介观与纳米尺度物理 · 物理学 2014-12-23 A. F. Zinovieva , N. P. Stepina , A. I. Nikiforov , A. V. Nenashev , A. V. Dvurechenskii , L. V. Kulik , N. A. Sobolev , M. C. Carmo
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