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Related papers: Magnetizing weak links by time-dependent spin-orbi…

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When superconductivity couples with noncollinear spin textures, rich physics arises; for instance, singlet Cooper pairs can be converted to triplet pairs, and topological superconductors can be realized. For their applications, the…

Strongly Correlated Electrons · Physics 2018-03-02 Rina Takashima , Yasuyuki Kato , Youichi Yanase , Yukitoshi Motome

We theoretically investigate the magnetization inside a normal metal containing the Rashba spin-orbit interaction (RSOI) induced by the proximity effect in an s-wave superconductor/normal metal/ferromagnetic metal/s-wave superconductor…

Superconductivity · Physics 2018-06-26 Shin-ichi Hikino

The length over which electron spins reverse direction due to the Rashba effect when injected with an initial polarization along the axes of a quantum wire is investigated theoretically. A soft wall confinement of the wire renormalizes the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Wolfgang Häusler

Spin-dependent electron tunneling through a voltage-biased micro-constriction between two bulk superconductors is shown to create a static magnetization near the constriction and an ac Josephson-like spin current. Although spin-dependent…

Superconductivity · Physics 2023-11-07 O. Entin-Wohlman , R. I. Shekhter , M. Jonson , A. Aharony

We investigate the induced orbital magnetization density in a Rashba electron gas with magnetic impurities. Relying on classical electrodynamics, we obtain this quantity through the bound currents composed of a paramagnetic and a…

Mesoscale and Nanoscale Physics · Physics 2018-10-03 Juba Bouaziz , Manuel dos Santos Dias , Filipe Souza Mendes Guimarães , Stefan Blügel , Samir Lounis

It was recently shown that a spatially modulated Rashba spin-orbit coupling in a quantum wire drives a transition from a metallic to an insulating state when the wave number of the modulation becomes commensurate with the Fermi wave length…

Strongly Correlated Electrons · Physics 2011-09-02 Mariana Malard , Inna Grusha , G. I. Japaridze , Henrik Johannesson

The introduction of a strong Rashba spin orbit coupling (SOC) had been predicted to enhance the spin motive force (SMF) [see Phys. Rev. Lett. {\bf 108}, 217202 (2012)]. In this work, we predict further enhancement of the SMF by time…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 Cong Son Ho , Mansoor B. A. Jalil , Seng Ghee Tan

Ubiquitous in most superconducting materials and a common result of nanofabrication processes, weak-links are known for their limiting effects on the transport of electric currents. Still, they are at the root of key features of…

The spin Edelstein effect has proven to be a promising phenomenon to generate spin polarization from a charge current in systems without inversion symmetry. In recent years, a current-induced orbital magnetization, called orbital Edelstein…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 Sergio Leiva M. , Jürgen Henk , Ingrid Mertig , Annika Johansson

A key concept in the emerging field of spintronics is the gate voltage or electric field control of spin precession via the effective magnetic field generated by the Rashba spin orbit interaction. Here, we demonstrate the generation and…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 Dong Liang , Xuan P. A. Gao

Magnetization dynamics in single-domain ferromagnets can be triggered by charge current if spin-orbit coupling is sufficiently strong. We apply functional Keldysh theory to investigate Rashba spin-orbit torques in metallic two-dimensional…

Materials Science · Physics 2015-07-14 A. Qaiumzadeh , R. A. Duine , M. Titov

Disorder scattering and spin-orbit coupling are together responsible for the diffusion and relaxation of spin-density in time-reversal invariant systems. We study spin-relaxation and diffusion in a two-dimensional electron gas with Rashba…

Mesoscale and Nanoscale Physics · Physics 2014-09-24 Yasufumi Araki , Guru Khalsa , Allan H. MacDonald

The cooperative effect of Rashba spin-orbit coupling (SOC) and Coulomb attraction in stabilizing topological spin-triplet excitonic condensates (ECs) in two-dimensional electron-hole systems in external magnetic field is investigated by…

Strongly Correlated Electrons · Physics 2026-03-11 Quoc-Huy Ninh , Huu-Nha Nguyen , Van-Nham Phan

Both magnetism and spin-orbit coupling in systems with broken inversion symmetry lift the spin degeneracy of electronic bands, but the consequences of interplay between these mechanisms remain poorly understood. Here, we show that ultrathin…

Electronic transport in a one-dimensional mesoscopic ring threaded by a magnetic flux is studied in presence of Rashba and Dresselhaus spin-orbit interactions. A completely analytical technique within a tight-binding formalism unveils the…

Mesoscale and Nanoscale Physics · Physics 2011-08-30 Santanu K. Maiti , Moumita Dey , Shreekantha Sil , Arunava Chakrabarti , S. N. Karmakar

It is commonly believed that time reversal symmetry breaking perturbations such as magnetic field or scattering on magnetic impurities destruct superconductivity and suppress the critical temperature of the superconducting phase transition.…

Superconductivity · Physics 2024-06-10 Zh. Devizorova , A. I. Buzdin

The spin-sensitive charge oscillation, controlled by an external magnetic field, was recently proposed as a mechanism of transformations of qubits, defined as two-electron spin-charge Wannier molecules in a square quantum dot. The paper…

Mesoscale and Nanoscale Physics · Physics 2020-07-30 Ambroz Kregar , Anton Ramsak

We present a new technique for producing two- and three-dimensional Rashba-type spin-orbit couplings for ultracold atoms without involving light. The method relies on a sequence of pulsed inhomogeneous magnetic fields imprinting suitable…

Quantum Gases · Physics 2013-09-24 Brandon M. Anderson , I. B. Spielman , Gediminas Juzeliūnas

We present both theory and numerical-computation results for the transmission and reflection probability currents of a charged particle across a potential step in the presence of a Rashba spin-orbit interaction. By varying kinetic energy…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Po-Hsin Shih , Godfrey Gumbs , Danhong Huang , Andrii Iurov , Yonatan Abranyos

We investigate the effect of Rashba spin-orbit coupling and of a tunnel barrier on the zero conduc- tance resonances appearing in a one-dimensional conducting Aharonov-Bohm (AB) ring symmet- rically coupled to two leads. The transmission…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Citro , F. Romeo , M. Marinaro
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