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Spin-triplet superconductivity is a key platform for topological quantum computing, yet its experimental realization and control in solid-state materials remain a significant challenge. For this purpose, we propose an ultrafast optical…

Strongly Correlated Electrons · Physics 2025-12-29 Zecheng Shen , Chendi Xie , Wei-Chih Chen , Yao Wang

We study spin control for an electron confined in a flake of silicene. We find that the lowest-energy conduction-band levels are split by the diagonal intrinsic spin-orbit coupling into Kramers doublets with a definite projection of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-30 Bartlomiej Szafran , Alina Mrenca-Kolasinska , Bartlomiej Rzeszotarski , Dariusz Zebrowski

Fermi gases with generalized Rashba spin orbit coupling inducedby a synthetic gauge field have the potential of realizing many interesting states such as rashbon condensates and topological phases. Here we develop a fluctuation theory of…

Quantum Gases · Physics 2015-10-07 Jayantha P. Vyasanakere , Vijay B. Shenoy

We uncover that the competition between electron-electron correlations and electron-phonon interactions gives rise to unexpectedly huge enhancement of the superconducting transition temperature, several hundreds percent larger ($\geq$ 200…

Superconductivity · Physics 2013-07-24 Rayda Gammag , Ki-Seok Kim

The recent development in the fabrication of artificial oxide heterostructures opens new avenues in the field of quantum materials by enabling the manipulation of the charge, spin and orbital degrees of freedom. In this context, the…

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

We propose a theoretical scheme to realize arbitrary single-qubit gates through two simple device units: one-dimensional semiconductor wires with Dresselhaus spin-orbit coupling (SOC) and Rashba SOC, separately. Qubit information coded by…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. J. Gong , Z. Q. Yang

We report the observation of current-induced spin polarization, the Rashba-Edelstein effect (REE), and its Onsager reciprocal phenomenon, the spin galvanic effect (SGE), in a few-layer graphene/2H-TaS2 heterostructure at room temperature.…

In the spin energy excitation mode of normal metals and superconductors, spin up and down electrons (or quasiparticles) carry different heat currents. This mode occurs only when spin up and down energy distribution functions are…

Mesoscale and Nanoscale Physics · Physics 2020-01-14 M. Kuzmanović , B. Y. Wu , M. Weideneder , C. H. L. Quay , M. Aprili

We investigate superconducting phase transition in superconductor(S)/ferromagnet(F) bilayer with Rasba spin-orbit interaction at S/F interface. This spin-orbit coupling produces spontaneous supercurrents flowing inside the atomic-thickness…

Superconductivity · Physics 2021-02-12 Zh. Devizorova , A. V. Putilov , I. Chaykin , S. Mironov , A. I. Buzdin

Spin-orbit coupling stands as a powerful tool to interconvert charge and spin currents and to manipulate the magnetization of magnetic materials through the spin torque phenomena. However, despite the diversity of existing bulk materials…

In two dimensions, an s-wave superconductor in the presence of Rashba spin-orbit coupling possesses distinct topologically non-trivial ground state phases controlled by Zeeman splitting and band filling. These phases can be characterized in…

Superconductivity · Physics 2021-08-26 Stefan Gorol , Florian Loder , Daniel Braak , Arno P. Kampf , Thilo Kopp

We study the connection between the spin-heat and spin-charge response in a disordered Fermi gas with spin-orbit coupling. It is shown that the ratio between the above responses can be expressed as the thermopower $S=-(\pi…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 J. Borge , C. Gorini , R. Raimondi

We show that Rashba spin-orbit coupling may result in an energy gap in the spectrum of electrons in a two-mode quantum wire if a suitable confining potential is chosen. This leads to a dip in the conductance and a spike in the spin current…

Mesoscale and Nanoscale Physics · Physics 2014-02-03 K. E. Nagaev , A. S. Goremykina

We discuss the scenario of superconducing transition for quasi two dimension HTS with spin fluctuation pairing mechanism. At mean field temperature of 2D superconducting transition the interaction of fluctuation spin waves with holes in…

Superconductivity · Physics 2007-05-23 G. Sergeeva

We present a proposal for a fully electrically controllable quantum dot based spin current injector. The device consists of a quantum dot that is strongly coupled to a ferromagnetic electrode on one side and weakly coupled to a nonmagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-10-23 Szabolcs Csonka , Ireneusz Weymann , Gergely Zarand

The edge states of a quantum spin Hall insulator exhibit helical properties, which has generated significant interest in the field of spintronics. Although it is predicted theoretically that Rashba spin-orbit coupling can effectively…

Mesoscale and Nanoscale Physics · Physics 2025-03-12 Wei Luo , Yating Zhang , Wei Chen

There is significant current interest in spintronic devices fashioned after a spin analog of the electro-optic modulator proposed by Datta and Das [Appl. Phys. Lett., \underline{56}, 665 (1990)]. In their modulator, the ``modulation'' of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. Bandyopadhyay , M. Cahay

We present a class of Rashba systems in hexagonal semiconducting compounds, where an electrical control over spin-orbital texture is provided by their bulk ferroelectricity. Our first-principles calculations reveal a number of such…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Awadhesh Narayan

Polar distortions in solids give rise to the well-known functionality of switchable macroscopic polarisation in ferroelectrics and, when combined with strong spin-orbit coupling, can mediate giant spin splittings of electronic states. While…

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