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We study a one-dimensional helical system with random Rashba spin-orbit coupling. Using renor- malization group methods, we derive a consistent set of flow equations governing the important con- trol parameters of the backscattering…

介观与纳米尺度物理 · 物理学 2014-07-10 Florian Geissler , Francois Crépin , Björn Trauzettel

Using a combination of heat pulse and nuclear magnetic resonance techniques we demonstrate that the phase boundary separating the interlayer phase coherent quantum Hall effect at $\nu_T = 1$ in bilayer electron gases from the weakly coupled…

介观与纳米尺度物理 · 物理学 2009-11-10 I. B. Spielman , L. A. Tracy , J. P. Eisenstein , L. N. Pfeiffer , K. W. West

The intrinsic spin Hall conductance shows rich sign changes by applying a perpendicular magnetic field in a two-dimensional hole gas. Especially, a notable sign changes can be achieved by adjusting the characteristic length of the Rashba…

介观与纳米尺度物理 · 物理学 2007-05-23 Tianxing Ma , Qin Liu

We present a comprehensive quasiclassical approach for studying transport properties of superconducting diffusive hybrid structures in the presence of extrinsic spin-orbit coupling. We derive a generalized Usadel equation and boundary…

超导电性 · 物理学 2016-11-16 F. S. Bergeret , I. V. Tokatly

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…

介观与纳米尺度物理 · 物理学 2020-07-30 Ambroz Kregar , Anton Ramsak

The proximity effect in a model manganite-cuprate system is investigated theoretically. We consider a situation in which spin-polarized electrons in manganite layers antiferromagnetically couple with electrons in cuprate layers as observed…

强关联电子 · 物理学 2010-12-15 Juan Salafranca , Satoshi Okamoto

We study the two-dimensional Hubbard model with the Rashba type spin-orbit coupling within and beyond the mean-field theory. The antiferromagnetic ground state for the model at half-filling and the Cooper pairing induced by…

超导电性 · 物理学 2022-03-23 Jingxiang Zhao , Qiang Gu

We report the observation of efficient charge-to-spin conversion in the three-dimensional topological insulator (TI) Bi2Se3 and Ag bilayer by the spin-torque ferromagnetic resonance technique. The spin orbit torque ratio in the…

Investigating microwave absorption in asymmetric Si quantum wells in an external magnetic field, we discover a spin dependent component of Joule heating at spin resonance. We explain this effect in terms of Rashba spin-orbit coupling which…

材料科学 · 物理学 2010-01-25 Z. Wilamowski , W. Ungier , M. Havlicek , W. Jantsch

In ferromagnet/normal-metal bilayers, the sensitivity of the spin Hall magnetoresistance and the spin Nernst magnetothermopower to the boundary conditions at the interface is of central importance. In general, such boundary conditions can…

介观与纳米尺度物理 · 物理学 2018-03-29 Sebastian Tölle , Michael Dzierzawa , Ulrich Eckern , Cosimo Gorini

Spin-orbit coupling (SOC) emerging at the interfaces of superconducting magnetic tunnel junctions is at the heart of multiple unprecedented physical phenomena, covering triplet proximity effects induced by unconventional (spin-flip) Andreev…

超导电性 · 物理学 2025-02-19 Andreas Costa , Jaroslav Fabian

We investigate the nu=1 quantum Hall ferromagnet in the presence of spin-orbit coupling of the Rashba or Dresselhaus type by means of Hartree-Fock-typed variational states. In the presence of Rashba (Dresselhaus) spin-orbit coupling the…

介观与纳米尺度物理 · 物理学 2009-11-07 John Schliemann , J. Carlos Egues , Daniel Loss

The phenomenon of mesoscopic Spin-Hall effect reveals in a nonequilibrium spin accumulation (driven by electric current) at the edges of a ballistic conductor or, more generally, in the regions with varying electron density. In this paper…

介观与纳米尺度物理 · 物理学 2009-12-24 P. G. Silvestrov , E. G. Mishchenko

Intensive research has revealed intriguing optical responses in topological materials. This paper focuses on the optical responses in $s$-wave superconductors with a Rashba spin-orbit coupling and a magnetic field, one of the platforms of…

超导电性 · 物理学 2025-10-07 Hiroto Tanaka , Youichi Yanase

Exciting new work on Bi2212 shows the presence of non-trivial spin-orbit coupling effects as seen in spin resolved ARPES data [Gotlieb et al., Science, 362, 1271-1275 (2018)]. Motivated by these observations we consider how the picture of…

超导电性 · 物理学 2019-12-25 Zachary M. Raines , Andrew A. Allocca , Victor M. Galitski

We apply duality transformation to the Abelian Higgs model in 3+1 dimensions in the presence of electrons coupled to the gauge field. The Higgs field is in the symmetry broken phase, where flux strings can form. Dualization brings in an…

高能物理 - 理论 · 物理学 2022-03-02 Shantonu Mukherjee , Amitabha Lahiri

We have numerically solved the Hamiltonian of an electron in a semiconductor double ring subjected to the magnetic flux and Rashba spin-orbit interaction. It is found that the Aharonov-Bohm energy spectrum reveals multi-zigzag periodic…

介观与纳米尺度物理 · 物理学 2007-05-23 Wen-Hsuan Kuan , Chi-Shung Tang , Cheng-Hung Chang

Graphene and transition metal dichalcogenide flat-band systems show similar phase diagrams, replete with magnetic and superconducting phases. An abiding question has been whether magnetic ordering competes with superconductivity or…

We study theoretically the spin relaxation rate in quasi-one-dimensional coupled double semiconductor quantum dots. We consider InSb and GaAs-based systems in the presence of the Rashba spin-orbit interaction, which causes mixing of…

介观与纳米尺度物理 · 物理学 2009-11-11 C. L. Romano , P. I. Tamborenea , S. E. Ulloa

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…

介观与纳米尺度物理 · 物理学 2012-09-04 Dong Liang , Xuan P. A. Gao
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