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We investigate the metal-insulator transition occurring in two-dimensional (2D) systems of noninteracting atoms in the presence of artificial spin-orbit interactions and a spatially correlated disorder generated by laser speckles. Based on…

Quantum Gases · Physics 2017-05-23 Giuliano Orso

The phenomenon originating from spin-orbit coupling (SOC) provides energy-efficient strategies for spin manipulation and device applications. The broken inversion symmetry interface and resulting electric field induce a Rashba-type…

Mesoscale and Nanoscale Physics · Physics 2022-07-12 Xinhe Wang , Wei Yang , Wang Yang , Yuan Cao , Xiaoyang Lin , Guodong Wei , Haichang Lu , Peizhe Tang , Weisheng Zhao

Magnetic anisotropy in an antiferromagnet (AFM) with inversion symmetry breaking (ISB) is investigated. The magnetic anisotropy energy (MAE) resulting from the Rashba spin-orbit and s-d type exchange interactions is determined for two…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Jun'ichi Ieda , Stewart E. Barnes , Sadamichi Maekawa

Inversion asymmetry, combined with spin-orbit interaction, leads to Rashba or Dresselhaus effects, or combinations of them that are promising for technologies based on antiferromagnetic spintronics. Since understanding the exact nature of…

Materials Science · Physics 2025-02-12 Nirmal Ganguli , Avishek Singh , Vivek Kumar , Jayita Chakraborty

Following a previous work [Shen, Ma, Xie and Zhang, Phys. Rev. Lett. 92, 256603 (2004)] on the resonant spin Hall effect, we present detailed calculations of the spin Hall conductance in two-dimensional quantum wells in a strong…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Shun-Qing Shen , Yun-Juan Bao , Michael Ma , X. C. Xie , Fu Chun Zhang

We investigate the bulk-boundary correspondence in two-dimensional type-I semi-Dirac materials with band inversion and Rashba spin-orbit coupling. Employing a dimensional reduction framework, we identify the Zak phase along the…

Mesoscale and Nanoscale Physics · Physics 2025-06-02 Marta García-Olmos , Yuriko Baba , Alexander López , Mario Amado , Rafael A. Molina

Symmetric anisotropic interaction can be ferromagnetic and antiferromagnetic at the same time but for different crystallographic axes. We show that inducing competition of anisotropic interactions of orthogonal irreducible representations…

Strongly Correlated Electrons · Physics 2022-07-11 S. Pandey , H. Zhang , J. Yang , A. F. May , J. Sanchez , Z. Liu , J. -H. Chu , J. W. Kim , P. J. Ryan , H. D. Zhou , J. Liu

We have investigated the electronic properties of elliptical quantum dots in a perpendicular external magnetic field, and in the presence of the Rashba spin-orbit interaction. Our work indicates that the Fock-Darwin spectra display strong…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Siranush Avetisyan , Pekka Pietiläinen , Tapash Chakraborty

During the last years there has been much interest, and theoretical discussion, about the possibility to use spin-orbit coupling to control the carriers spins in two-dimensional semiconducting heterostructures. Spin polarization at the…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 A. A. Reynoso , G. Usaj , C. A. Balseiro

We report an unconventional behavior of electron transport in the limit of zero magnetic flux in a one-dimensional disordered ring, be it completely random or any correlated one, subjected to Rashba spin-orbit (SO) coupling. It exhibits…

Mesoscale and Nanoscale Physics · Physics 2016-12-20 Moumita Patra , Santanu K. Maiti

The two-electron exchange coupling in a nanowire double quantum dot (DQD) is shown to possess Moriya's anisotropic superexchange interaction under the influence of both the Rashba and Dresselhaus spin-orbit couplings (SOCs) and a Zeeman…

Mesoscale and Nanoscale Physics · Physics 2019-04-12 Zhi-Hai Liu , O. Entin-Wohlman , A. Aharony , J. Q. You

The electronic and optical properties of a GaAs quantum ring (QR) with few electrons in the presence of the Rashba spin-orbit interaction (RSOI) and the Dresselhaus spin-orbit interaction (DSOI) have been investigated theoretically.…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Zhenhua Wu , Jian Li , J. Li , H. Yin , Yu Liu

The quasi-two-dimensional electron gas found at the LaAlO3/SrTiO3 interface offers exciting new functionalities, such as tunable superconductivity, and has been proposed as a new nanoelectronics fabrication platform. Here we lay out a new…

Strongly Correlated Electrons · Physics 2015-05-14 A. D. Caviglia , M. Gabay , S. Gariglio , N. Reyren , C. Cancellieri , J. -M. Triscone

The Rashba spin-orbit coupling arising from structure inversion asymmetry couples spin and momentum degrees of freedom providing a suitable (and very intensively investigated) environment for spintronic effects and devices. Here we show…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Goetz Seibold , Sergio Caprara , Marco Grilli , Roberto Raimondi

When the Rashba and Dresslhaus spin-orbit coupling are both presented for a two-dimensional electron in a perpendicular magnetic field, a striking resemblance to anisotropic quantum Rabi model in quantum optics is found. We perform a…

Quantum Gases · Physics 2021-07-13 Rui Zhang , Yuan-Chuan Biao , Wen-Long You , Xiao-Guang Wang , Yu-Yu Zhang

We study the effects caused by Rashba and Dresselhaus spin-orbit coupling over the thermoelectric transport properties of a single-electron transistor, viz., a quantum dot connected to one-dimensional leads. Using linear response theory and…

Mesoscale and Nanoscale Physics · Physics 2022-05-04 M. A. Manya , G. B. Martins , M. S. Figueira

The spin texture of the metallic two-dimensional electron system (root3 x root3)-Au/Ge(111) is revealed by fully three-dimensional spin-resolved photoemission, as well as by density functional calculations. The large hexagonal Fermi…

We investigated the spin dynamics of two-dimensional electrons in (001) GaAs/AlGaAs heterostructure using the time resolved Kerr rotation technique under a transverse magnetic field. The in-plane spin lifetime is found to be anisotropic…

Mesoscale and Nanoscale Physics · Physics 2012-03-30 Baoli Liu , Hongming Zhao , Jia Wang , Linsheng Liu , Wenxin Wang , Haijun Zhu , Dongmin Chen

We consider a disordered graphene layer with anisotropic Rashba spin-orbit coupling subjected to a longitudinal electric field. Using the linear response theory we calculate current-induced spin polarization including in-plane normal and…

Mesoscale and Nanoscale Physics · Physics 2017-09-26 Mir Vahid Hosseini

We consider a gated one-dimensional (1D) quantum wire disturbed in a contactless manner by an alternating electric field produced by a tip of a scanning probe microscope. In this schematic 1D electrons are driven not by a pulling electric…

Strongly Correlated Electrons · Physics 2017-11-27 Yasha Gindikin