Spin Hall effect due to intersubband-induced spin-orbit interaction in symmetric quantum wells

Minchul Lee; Marco O. Hachiya; E. Bernardes; J. Carlos Egues; Daniel Loss

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Spin Hall effect due to intersubband-induced spin-orbit interaction in symmetric quantum wells

机译：子带间诱导的自旋轨道相互作用在对称量子阱中的自旋霍尔效应

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We investigate the intrinsic spin Hall effect in two-dimensional electron gases in quantum wells with two subbands, where a new intersubband-induced spin-orbit coupling is operative. The bulk spin Hall conductivity σ_(xy)~z is calculated in the ballistic limit within the standard Kubo formalism in the presence of a magnetic field B and is found to remain finite in the B=0 limit, as long as only the lowest subband is occupied. Our calculated σ_(xy)~z exhibits a nonmonotonic behavior and can change its sign as the Fermi energy (the carrier areal density n2d) is varied between the subband edges. We determine the magnitude of σ_(xy)~z for realistic InSb quantum wells by performing a self-consistent calculation of the intersubband-induced spin-orbit coupling.

机译：我们研究了具有两个子带的量子阱中二维电子气中的固有自旋霍尔效应，其中新的子带间诱导的自旋轨道耦合起作用。在存在磁场B的情况下，在标准久保形式中的弹道极限中计算出自旋霍尔电导率σ_（xy）〜z，并且发现它仅在最低子带中在B = 0极限中保持有限。被占领。我们计算出的σ_（xy）〜z表现出非单调性，并且随着费米能量（载流子面密度n2d）在子带边缘之间变化而改变其符号。我们通过对子带间引起的自旋轨道耦合进行自洽计算来确定实际InSb量子阱的σ_（xy）〜z的大小。

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来源
《Physical review》 |2009年第15期|155314.1-155314.7|共7页
作者
Minchul Lee; Marco O. Hachiya; E. Bernardes; J. Carlos Egues; Daniel Loss;
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作者单位

Department of Applied Physics, Kyung Hee University, Yongin 449-701, Korea;

Institute de Fisica de Sao Carlos, Universidade de Sao Paulo, 13560-970 Sao Carlos, SP, Brazil;

Institute de Fisica de Sao Carlos, Universidade de Sao Paulo, 13560-970 Sao Carlos, SP, Brazil;

Institute de Fisica de Sao Carlos, Universidade de Sao Paulo, 13560-970 Sao Carlos, SP, Brazil Department of Physics, University of Basel, CH-4056 Basel, Switzerland;

Department of Physics, University of Basel, CH-4056 Basel, Switzerland;

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spin polarized transport in semiconductors; quantum wells; spin-orbit coupling, zeeman and stark splitting, jahn-teller effect;

机译：半导体中的自旋极化传输;量子阱自旋轨道耦合;塞曼和斯塔克分裂;詹-泰勒效应;

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1. Intersubband-induced Spin-orbit Interaction In Quantum Wells [J] . Rafael S. Calsaverini, Esmerindo Bernardes, J. Carlos Egues, Physical review . 2008,第15期

机译：子间诱导量子阱中的自旋轨道相互作用。
2. Symmetric spin-orbit interaction in triple quantum dot and minimisation of spin-orbit leakage in CNOT gate [J] . Milivojevic Marko Journal of Physics. Condensed Matter . 2018,第8期

机译：三量子点中的对称旋转轨道交互以及CNOT门中旋转轨道泄漏的最小化
3. The Zeeman, spin-orbit, and quantum spin Hall interactions in anisotropic and low-dimensional conductors [J] . Zhao Aiying, Gu Qiang, Haugan Timothy J., Journal of Physics. Condensed Matter . 2021,第8期

机译：塞曼，旋转轨道和量子旋转大厅在各向异性和低维导体中的相互作用
4. Quantum Hall ferromagnetic states and spin-orbit interactions in the fractional regime [C] . S. CHESI, D. Loss International School of Physics "Enrico Fermi" . 2009

机译：Quantum Hall铁磁性状态和分数方案中的旋转轨道相互作用
5. Spin-orbit Coupling Effects in LaTiO3/SrTiO3 Heterostructures: From Giant Rashba-type Coupling to near Room-temperature Quantum Spin Hall Effect [D] . Veit, Michael J. 2019

机译：Latio3 / SRTiO3异质结构中的旋转轨道耦合效果：从巨击性RASHBA型耦合到室温附近的偶联
6. Efficient spin filter using multi-terminal quantum dot with spin-orbit interaction [O] . Tomohiro Yokoyama, Mikio Eto 2011

机译：使用具有自旋轨道相互作用的多末端量子点的高效自旋滤波器
7. Spin Hall effect due to intersubband-induced spin-orbit interaction in symmetric quantum wells [O] . Lee, Minchul, Hachiya, Marco O., Bernardes, E., 2009

机译：由于子带内引起的自旋轨道相互作用引起的自旋霍尔效应对称量子阱

Spin Hall effect due to intersubband-induced spin-orbit interaction in symmetric quantum wells

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