Unidirectional spin-orbit interaction and spin-helix state in a (110)-oriented GaAs/(Al,Ga)As quantum well

Y. S. Chen; S. Faelt; W. Wegscheider; G. Salis

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Unidirectional spin-orbit interaction and spin-helix state in a (110)-oriented GaAs/(Al,Ga)As quantum well

机译：（110）取向的GaAs /（Al，Ga）As量子阱中的单向自旋轨道相互作用和自旋螺旋态

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The Dresselhaus spin-orbit interaction is quantitatively investigated in a (110)-oriented GaAs quantum well by means of time- and spatially resolved Kerr rotation. The experimental results directly demonstrate a unidirectional out-of-plane spin-orbit interaction that linearly depends on the electron momentum along the [110] direction and vanishes for the electron momentum along the [001] direction. Spatially resolved measurements of the diffusion-driven spin precession dynamics provide evidence of the formation of a persistent spin-helix state in this system.

机译：借助时间和空间分辨的Kerr旋转，在（110）取向的GaAs量子阱中对Dresselhaus自旋轨道相互作用进行了定量研究。实验结果直接证明，单向平面外自旋轨道相互作用线性地取决于沿[110]方向的电子动量，而对于沿[001]方向的电子动量消失。扩散驱动的自旋进动动力学的空间分辨测量提供了该系统中持久自旋螺旋状态形成的证据。

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来源
《Physical review》 |2014年第12期|121304.1-121304.5|共5页
作者
Y. S. Chen; S. Faelt; W. Wegscheider; G. Salis;
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作者单位

IBM Research-Zurich, Saeumerstrasse 4, 8803 Rueschlikon, Switzerland;

Solid State Physics Laboratory, ETH Zurich, 8093 Zurich, Switzerland;

Solid State Physics Laboratory, ETH Zurich, 8093 Zurich, Switzerland;

IBM Research-Zurich, Saeumerstrasse 4, 8803 Rueschlikon, Switzerland;

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正文语种 eng
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关键词
quantum wells;

机译：量子阱;

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1. Inelastic light scattering by intrasubband spin-density excitations in GaAs-AlGaAs quantum wells with balanced Bychkov-Rashba and Dresselhaus spin-orbit interaction: Quantitative determination of the spin-orbit field [J] . S. Gelfert, C. Frankerl, C. Reichl, Physical review . 2020,第3期

机译：具有平衡Bychkov-Rashba和Dresselhaus自旋轨道相互作用的GaAs-AlGaAs量子阱中子带内自旋密度激发的非弹性光散射：自旋轨道场的定量确定
2. Inelastic light scattering by intrasubband spin-density excitations in GaAs-AlGaAs quantum wells with balanced Bychkov-Rashba and Dresselhaus spin-orbit interaction: Quantitative determination of the spin-orbit field [J] . Physical review, B . 2020,第3期

机译：通过平衡Bychkov-Rashba和Temselhaus旋转轨道相互作用的GaAs-Algaas量子孔中的内管带旋转密度激发的无弹性光散射：旋转轨道场的定量测定
3. Room temperature gate modulation of electron spin relaxation time in (110)-oriented GaAs/AlGaAs quantum wells [J] . Satoshi Iba Shinji Koh and Hitoshi Kawaguchi Applied Physics Letters . 2010,第20期

机译：（110）取向GaAs / AlGaAs量子阱中电子自旋弛豫时间的室温门调制
4. Effect of Rashba and Dresselhaus spin-orbit interactions on the ground state properties of a D~0 impurity in a Gaussian GaAs quantum dot placed in a magnetic field [C] . Pooja Saini, Aalu Boda, Ashok Chatterjee DAE Solid State Physics Symposium . 2019

机译：Rashba和Temselhaus旋转轨道相互作用在磁场中高斯GaAs量子点中D〜0杂质的地位特性的影响
5. Far-infrared studies of electron-electron interactions in Si-doped GaAs/AlGaAs multiple quantum wells. [D] . Jiang, Zhenxin. 1997

机译：掺Si的GaAs / AlGaAs多量子阱中电子与电子相互作用的远红外研究。
6. Room temperature spin diffusion in (110) GaAs/AlGaAs quantum wells [O] . Changcheng Hu, Huiqi Ye, Gang Wang, 2011

机译：（110）GaAs / AlGaAs量子阱中的室温自旋扩散
7. Gate-controlled spin-orbit interaction in a parabolic GaAs/AlGaAs quantum well [O] . Studer, M., Salis, G., Ensslin, K., 2009

机译：抛物线Gaas / alGaas中的栅极控制自旋轨道相互作用量子阱

Unidirectional spin-orbit interaction and spin-helix state in a (110)-oriented GaAs/(Al,Ga)As quantum well

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