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Ising spin model is considered as an efficient computing method to solve combinatorial optimization problems based on its natural tendency of convergence towards low energy state. The underlying basic functions facilitating the Ising model…

Emerging Technologies · Computer Science 2016-09-27 Yong Shim , Akhilesh Jaiswal , Kaushik Roy

Efficient detection of spin-charge conversion is crucial for advancing our understanding of emergent phenomena in spin-orbit-coupled nanostructures. Here, we provide proof of principle of an electrical detection scheme of spin-charge…

Mesoscale and Nanoscale Physics · Physics 2020-06-16 Stuart A. Cavill , Chunli Huang , Manuel Offidani , Yu-Hsuan Lin , Miguel A. Cazalilla , Aires Ferreira

We have theoretically explored the intrinsic spin Hall effect (SHE) in the iron-based superconductor family with a variety of materials. The study is motivated by an observation that, in addition to an appreciable spin-orbit coupling in the…

Strongly Correlated Electrons · Physics 2012-08-15 Sudhakar Pandey , Hiroshi Kontani , Dai S. Hirashima , Ryotaro Arita , Hideo Aoki

In plasmonic systems, the enhanced photonic spin Hall effect (PSHE) was previously possible only for horizontal polarization. By employing the wave-guiding surface plasmon resonance (WG-SPR) effect, we report a giant photonic spin Hall…

Optics · Physics 2022-08-10 Monu Nath Baitha , Kyoungsik Kim

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…

Materials Science · Physics 2016-10-04 Wenxu Zhang , Bin Peng , Fangbin Han , Qiuru Wang , Wee Tee Soh , C K Ong , Wanli Zhang

The spin Hall effect (SHE) is the conversion of charge current to spin current, and non-magnetic metals with large SHEs are extremely sought after for spintronic applications, but their rarity has stifled widespread use. Here we predict and…

Mesoscale and Nanoscale Physics · Physics 2019-04-09 E. Derunova , Y. Sun , C. Felser , S. S. P. Parkin , B. Yan , M. N. Ali

Orbital Hall effect (OHE) is the phenomenon of transverse flow of orbital moment in presence of an applied electric field. Solids with broken inversion symmetry are expected to exhibit a strong OHE due to the presence of an intrinsic…

Mesoscale and Nanoscale Physics · Physics 2020-07-15 Sayantika Bhowal , S. Satpathy

We study the nonlinear Hall effect in superconductors without magnetic fields induced by a quantum geometric phase (i.e., the Aharonov-Bohm phase) carried by single or pair particles. We find that the second-order nonlinear Hall…

Superconductivity · Physics 2025-03-20 Kazuaki Takasan , Naoto Tsuji

We observe the inverse spin Hall effect in a two-dimensional electron gas confined in AlGaAs/InGaAs quantum wells. Specifically, we find that an inhomogeneous spin density induced by the optical injection gives rise an electric current…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Baoli Liu , Junren Shi , Wenxin Wang , Hongming Zhao , Dafang Li , Shoucheng Zhang , Qikun Xue , Dongmin Chen

Spin Hall effect in a nonlocal spin-injection device is theoretically studied. Using a nonlocal spin-injection technique, a pure spin current is created in a nonmagnetic metal (N). The spin current flowing in N is deflected by spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 S. Takahashi , S. Maekawa

The field of topological insulators (TI) was sparked by the prediction of the quantum spin Hall effect (QSHE) in time reversal invariant systems, such as spin-orbit coupled monolayer graphene. Ever since, a variety of monolayer crystals…

Mesoscale and Nanoscale Physics · Physics 2018-01-19 Sanfeng Wu , Valla Fatemi , Quinn D. Gibson , Kenji Watanabe , Takashi Taniguchi , Robert J. Cava , Pablo Jarillo-Herrero

Driven by various physical origins, the interesting reentrant phenomena in quantum Hall effect (QHE), quantum anomalous Hall effect (QAHE) and non-Hermitian systems have been discussed recently. Here, we present that the reentrant phenomena…

Mesoscale and Nanoscale Physics · Physics 2023-06-16 Xiaoyu Cheng , Xiaohong Zheng , Jun Chen , Liantuan Xiao , Suotang Jia , Lei Zhang

Motivated by a recent experiment[Nature {\bf 442}, 176 (2006)], we present a quantitative microscopic theory to investigate the inverse spin-Hall effect with spin injection into aluminum considering both intrinsic and extrinsic spin-orbit…

Materials Science · Physics 2009-11-11 S. Y. Liu , Norman J. M. Horing , X. L. Lei

In two-dimensional topological insulators, such as inverted HgTe/CdTe quantum wells, helical quantum spin Hall (QSH) states persist even at finite magnetic fields below a critical magnetic field $B_\mathrm{c}$, above which only quantum Hall…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Benedikt Scharf , Alex Matos-Abiague , Igor Žutić , Jaroslav Fabian

From the Dirac equation of an electron in an anisotropic conduction band, the anisotropy of its motion dramatically affects its interaction with applied electric and magnetic fields. The quantum spin Hall effect (QSHE) is observable in…

Superconductivity · Physics 2019-06-26 Aiying Zhao , Qiang Gu , Richard A. Klemm

Previously, it has been shown that rapid cooling of yttrium-iron-garnet (YIG)/platinum (Pt) nano structures, preheated by an electric current sent through the Pt layer, leads to overpopulation of a magnon gas and to subsequent formation of…

In this letter, we show that Giant Spin Hall Effect (GSHE) MRAM can enable better energy- delay and voltage performance than traditional MTJ based spin torque devices at scaled nanomagnet dimensions (10-30 nm). Firstly, we derive the effect…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Sasikanth Manipatruni , Dmitri E. Nikonov , Ian A. Young

While the quantum spin Hall (QSH) effect and antiferromagnetic order constitute two of the most promising phenomena for embedding basic spintronic concepts into future technologies, almost all of the QSH insulators known to date are…

Materials Science · Physics 2017-05-22 C. Niu , J. -P. Hanke , P. M. Buhl , G. Bihlmayer , D. Wortmann , S. Blügel , Y. Mokrousov

The effects of spin-orbit coupling and symmetry breaking at the interface between a ferromagnet and heavy metal are particularly important for spin-based information storage and computation. Recent discoveries suggest they can create chiral…

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…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 B. Gu , T. Ziman , S. Maekawa
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