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Related papers: Two-dimensional Rashba metals: unconventional low-…

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We discuss problem of Rashba field in bulk GaN and in GaN/AlGaN two-dimensional electron gas, basing on results of X-band microwave resonance experiments. We point at large difference in spin-orbit coupling between bulk material and…

Materials Science · Physics 2012-11-14 A. Wolos , Z. Wilamowski , C. Skierbiszewski , A. Drabinska , B. Lucznik , I. Grzegory , S. Porowski

We demonstrate experimentally and theoretically that two-dimensional (2D) heavy hole systems in single heterostructures exhibit a \emph{decrease} in spin-orbit interaction-induced spin splitting with an increase in perpendicular electric…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Habib , E. Tutuc , S. Melinte , M. Shayegan , D. Wasserman , S. A. Lyon , R. Winkler

In the two-dimensional electron gas (2DEG) emerging at the transition metal oxide surface and interface, it has been pointed out that the Rashba spin-orbit interaction, the momentum-dependent spin splitting due to broken inversion symmetry…

Strongly Correlated Electrons · Physics 2016-09-26 Minsung Kim , Jisoon Ihm , Suk Bum Chung

We investigate the effect of $k$-cubic spin-orbit interaction on electrical and thermoelectric transport properties of two-dimensional fermionic systems. We obtain exact analytical expressions of the inverse relaxation time (IRT) and the…

Mesoscale and Nanoscale Physics · Physics 2017-10-26 Alestin Mawrie , Sonu Verma , Tarun Kanti Ghosh

The non-equilibrium transportation of two-dimensional electrons through a narrow channel is investigated under the influence of the Rashba interaction. By introducing suitable lifetime in the Green's function, the average spin values can be…

Mesoscale and Nanoscale Physics · Physics 2010-11-16 Yi-Ying Chin , Jui-Yu Chiu , Ming-Che Chang , Chung-Yu Mou

Materials with strong spin-orbit coupling (SOC) have in recent years become a subject of intense research due to their potential applications in spintronics and quantum information technology. In particular, in systems which break inversion…

When a foreign atom is placed on a surface of a metal, the surrounding sea of electrons responds screening the additional charge leading to oscillations or ripples. On surfaces, those electrons are sometimes confined to two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Samir Lounis , Andreas Bringer , Stefan Blügel

Far infrared radiation absorption of a quantum dot with few electrons in an orthogonal magnetic field could monitor the crossover to the fully spin polarized state. A Rashba spin-orbit coupling can tune the energy and the spin density of…

Strongly Correlated Electrons · Physics 2009-11-11 P. Lucignano , B. Jouault , A. Tagliacozzo , B. L. Altshuler

We study potential scattering in a two-dimensional electron gas with Rashba spin-orbit coupling in the limit that the energy of the scattering electron approaches the bottom of the lower spin-split band. Focusing on two spin-independent…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 Joel Hutchinson , Joseph Maciejko

We present calculations of the frequency-dependent spin susceptibility tensor of a two-dimensional electron gas with competing Rashba and Dresselhaus spin-orbit interaction. It is shown that the interplay between both types of spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Catalina López-Bastidas , Jesús A. Maytorena , Francisco Mireles

The spin-orbital polarization of superconducting excitations in momentum space is shown to provide distinctive marks of unconventional pairing in the presence of inversion symmetry breaking.Taking the prototypical example of an electronic…

Superconductivity · Physics 2019-10-02 Yuri Fukaya , Shun Tamura , Keiji Yada , Yukio Tanaka , Paola Gentile , Mario Cuoco

We investigate the influence of different spin-orbit couplings on topological phase transitions in the bilayer Kane-Mele model. We find that the competition between intrinsic spin-orbit coupling and Rashba spin-orbit coupling can lead to…

Mesoscale and Nanoscale Physics · Physics 2014-12-15 Hui Pan , Xin Li , Zhenhua Qiao , Cheng-Cheng Liu , Yugui Yao , Shengyuan A. Yang

The control of the spin degree of freedom is at the heart of spintronics, which can potentially be achieved by spin-orbit coupling or band topological effects. In this paper, we explore another potential controlled mechanism under debate:…

Other Condensed Matter · Physics 2024-11-12 J. A. Sánchez-Monroy , Carlos Mera Acosta

The beating pattern of Shubnikov-de Haas oscillations in 2D electron system in the presence of a Rashba zero-field spin splitting is reproduced. It is shown, taking into account the Zeeman splitting, that the explicit formulae for the node…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. V. Cheremisin , A. S. Furman

Among the many remarkable properties of diamond, the ability to superconduct when heavily doped with boron has attracted much interest in the carbon community. When considering the nanocrystalline boron doped system, the reduced…

Superconductivity · Physics 2020-10-28 Somnath Bhattacharyya , Davie Mtsuko , Christopher Allen , Christopher Coleman

The manipulation of Rashba-type spin-orbit coupling (SOC) in molecular beam epitaxy-grown Al$_x$In$_{1-x}$Sb/InSb/CdTe quantum well heterostructures is reported. The effective band bending provides robust two-dimensional quantum…

The Rashba Hamiltonian describes the splitting of the conduction band as a result of spin-orbit coupling in the presence of an external field and is commonly used to model the electronic structure of confined narrow-gap semiconductors. Due…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Laurens W. Molenkamp , Georg Schmidt , Gerrit E. W. Bauer

In this paper, we examine the effect of introducing a conical disclination on the thermal and optical properties of a two dimensional GaAs quantum dot in the presence of a uniform and constant magnetic field. In particular, our model…

Mesoscale and Nanoscale Physics · Physics 2019-01-04 Jorge David Castaño-Yepes , D. A. Amor-Quiroz , C. F. Ramirez-Gutierrez , Edgar A. Gómez

Quantum interference effects in rings provide suitable means for controlling spin at mesoscopic scales. Here we apply such control mechanisms to coherent spin-dependent transport in one- and two-dimensional rings subject to Rashba…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Diego Frustaglia , Klaus Richter

Spin-orbit coupling is a manifestation of special relativity. In the reference frame of a moving electron, electric fields transform into magnetic fields, which interact with the electron spin and lift the degeneracy of spin-up and…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Lorenz Meier , Gian Salis , Ivan Shorubalko , Emilio Gini , Silke Schoen , Klaus Ensslin