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Two-dimensional hole gases in semiconductor quantum wells are promising platforms for spintronics and quantum computation but suffer from the lack of the $\bf{k}$-linear term in the Rashba spin-orbit coupling (SOC), which is essential for…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Jia-Xin Xiong , Shan Guan , Jun-Wei Luo , Shu-Shen Li

We study the implications of spin-orbit interaction (SOI) for two-qubit gates (TQGs) in semiconductor spin qubit platforms. SOI renders the exchange interaction governing qubit pairs anisotropic, posing a serious challenge for conventional…

Mesoscale and Nanoscale Physics · Physics 2024-01-11 Jiaan Qi , Zhi-Hai Liu , H. Q. Xu

We propose a pair spin-orbit interaction (PSOI) mechanism by establishing a mesoscopic many-particle Rashba Hamiltonian. In lowest order, this Hamiltonian self-consistently describes exciton spin relaxation in monolayer transition metal…

Mesoscale and Nanoscale Physics · Physics 2026-02-18 Henry Mittenzwey , Andreas Knorr

The pair spin-orbit interaction (PSOI) is the spin-orbit component of the electron-electron interaction that originates from the Coulomb fields of the electrons. This relativistic component, which has been commonly assumed small in the…

Strongly Correlated Electrons · Physics 2020-02-12 Yasha Gindikin , Vladimir A. Sablikov

Anisotropy of spin-orbit interaction (SOI) is studied for a single uncapped InAs self-assembled quantum dot (SAQD) holding just a few electrons. The SOI energy is evaluated from anti-crossing or SOI induced hybridization between the ground…

Mesoscale and Nanoscale Physics · Physics 2011-01-05 S. Takahashi , R. S. Deacon , K. Yoshida , A. Oiwa , K. Shibata , Y. Tokura , S. Tarucha

The pseudospin of heavy-holes (HHs) confined in a semiconductor quantum dot (QD) represents a promising candidate for a fast and robust qubit. While hole spin manipulation by a classical electric field utilizing the Dresselhaus spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2020-11-18 Philipp M. Mutter , Guido Burkard

We study the spin-orbit interaction (SOI) in InAs/ GaSb and InAs quantum wells. We show through temperature- and gate-dependent magnetotransport measurements of weak antilocalization that the dominant spin-orbit relaxation mechanism in our…

Mesoscale and Nanoscale Physics · Physics 2017-04-19 F. Herling , C. Morrison , C. S. Knox , S. Zhang , O. Newell , M. Myronov , E. H. Linfield , C. H. Marrows

We present a bunch of novel phenomena stemming from the pair spin-orbit interaction (PSOI), which does not rely on structure inversion asymmetry but instead arises from Coulomb fields of interacting electrons in materials with a strong…

Superconductivity · Physics 2025-01-03 Yasha Gindikin , Alex Kamenev

Planar systems with a general linear spin-orbit interaction (SOI) that can be cast in the form of a non-Abelian pure gauge field are investigated using the language of non-Abelian gauge field theory. A special class of these fields that,…

High Energy Physics - Theory · Physics 2021-02-02 M. S. Shikakhwa

Rashba-type spin-orbit interaction (SOI) controlled band structure of a two-dimensional superlattice allows for the modulation of the conductance of finite size devices by changing the strength of the SOI. We consider rectangular arrays and…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Peter Foldi , Viktor Szaszko-Bogar , F. M. Peeters

A net circulating current may appear within a quantum ring under finite bias. We study the characteristic features of the circular current in the presence of Rashba spin-orbit interaction (RSOI). Both charge and spin currents appear within…

Mesoscale and Nanoscale Physics · Physics 2022-06-29 Moumita Patra

Spin-orbit interaction (SOI) plays a key role in creating Majorana zero modes in semiconductor nanowires proximity coupled to a superconductor. We track the evolution of the induced superconducting gap in InSb nanowires coupled to a NbTiN…

We derive the interatomic spin-orbit interaction (SOI) from a helical atomic chain composed of $p$-orbitals with intra-atomic SOI, which exhibits a helical state--a potential origin of the chiral-induced spin selectivity (CISS) effect. In…

Mesoscale and Nanoscale Physics · Physics 2025-12-02 Takemitsu Kato , Yasuhiro Utsumi , Ora Entin-Wohlman , Amnon Aharony

We propose purely electric manipulation of spin qubits by means of the spin-orbit interaction (SOI) {\it without magnetic field or magnets} in a double-quantum dot. All the unitary transformations can be constructed by the time-dependent…

Mesoscale and Nanoscale Physics · Physics 2010-11-08 Atsuo Shitade , Motohiko Ezawa , Naoto Nagaosa

Manipulating the electron spin with the aid of spin-orbit coupling (SOC) is an indispensable element of spintronics. Electrostatically gating a material with strong SOC results in an effective magnetic field which can in turn be used to…

Quantum information transfer is fundamental for scalable quantum computing in any potential platform and architecture. Hole spin qubits, owing to their intrinsic spin-orbit interaction (SOI), promise fast quantum operations which are…

Mesoscale and Nanoscale Physics · Physics 2024-11-27 D. Fernández-Fernández , Yue Ban , Gloria Platero

The spin-orbit interaction lies at the heart of quantum computation with spin qubits, research on topologically non-trivial states, and various applications in spintronics. Hole spins in Ge/Si core/shell nanowires experience a spin-orbit…

The states of a boron acceptor near a Si/SiO2 interface, which bind two low-energy Kramers pairs, have exceptional properties for encoding quantum information and, with the aid of strain, both heavy hole and light hole-based spin qubits can…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Joe Salfi , Mengyang Tong , Sven Rogge , Dimitrie Culcer

We study ballistic transport of spin-polarized electrons through quantum wires in which the strength of the Rashba spin-orbit interaction (SOI) is spatially modulated. Subband mixing, due to SOI, between the two lowest subbands is taken…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. F. Wang

We formulate the effective Hamiltonian of Rashba spin-orbit coupling (RSOC) in $\mathrm{LaAlO_3/SrTiO_3}$ (LAO/STO) heterostructures. We derive analytical expressions of properties, e.g., Rashba parameter, effective mass, band edge energy…

Mesoscale and Nanoscale Physics · Physics 2020-06-18 Cong Son Ho , Weilong Kong , Ming Yang , Andrivo Rusydi , Mansoor B. A. Jalil