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We study the role of spin-orbit interactions in the coupled magnetoelectric dynamics of a ferromagnetic film coated with an electrical conductor. While the main thrust of this work is phenomenological, several popular simple models are…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Yaroslav Tserkovnyak , Scott A. Bender

We present analytical and numerical results for the effect of Rashba spin-orbit coupling on band structure, transport, and interaction effects in quantum wires when the spin precession length is comparable to the wire width. In contrast to…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. Governale , U. Zuelicke

We study the spin dynamics of carriers due to the Rashba interaction in semiconductor quantum disks and wells after excitation with light with orbital angular momentum. We find that although twisted light transfers orbital angular momentum…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 M. Cygorek , P. I. Tamborenea , V. M. Axt

Employing the spin degree of freedom of charge carriers offers the possibility to extend the functionality of conventional electronic devices, while colloidal chemistry can be used to synthesize inexpensive and tuneable nanomaterials. In…

The paramount acumen for controlling spin transport properties in nonmagnetic materials is the usage of spin-orbit coupling (SOC). We propose a model to calculate the spin hall angle (SHA) for the elemental transition metal dichalcogenide…

Mesoscale and Nanoscale Physics · Physics 2025-07-03 Swastik Sahoo , Satadeep Bhattacharjee , Bhaskaran Muralidharan

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

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

We present a theoretical description and numerical simulations of the superconducting transition in hybrid structures including strong spin-orbit interactions. The spin-orbit coupling is taken to be of Rashba type for concreteness, and we…

Superconductivity · Physics 2018-03-07 Haakon T. Simensen , Jacob Linder

Spintronics aims to utilize the spin degree of freedom for information storage and computing applications. One major issue is the generation and detection of spins via spin and charge conversion. Quantum materials have recently exhibited…

Materials Science · Physics 2018-05-23 Wei Han , YoshiChika Otani , Sadamichi Maekawa

We consider spin Hall effect in a system of massless Dirac fermions in a graphene lattice. Two types of spin-orbit interaction, pertinent to the graphene lattice, are taken into account - the intrinsic and Rashba terms. Assuming perfect…

Materials Science · Physics 2015-05-14 A. Dyrdal , V. K. Dugaev , J. Barnas

We consider two helical liquids on opposite edges of a narrow two-dimensional topological insulator, which are connected by one or several local tunnel junctions. In the presence of spatially inhomogeneous Rashba spin-orbit coupling, the…

Mesoscale and Nanoscale Physics · Physics 2013-10-29 Christoph P. Orth , Grégory Strübi , Thomas L. Schmidt

We investigate the quantum phase transitions of a two-dimensional Bose-Hubbard model in the presence of a Rashba spin-orbit coupling with and without thermal fluctuations. The interplay of single-particle hopping, strength of spin-orbit…

Quantum Gases · Physics 2021-12-14 Kuldeep Suthar , Pardeep Kaur , Sandeep Gautam , Dilip Angom

Spin current is a central theme in spintronics, and its generation is a keen issue. The spin-polarized current injection from the ferromagnet, spin battery, and spin Hall effect have been used to generate spin current, but Ohmic currents in…

Superconductivity · Physics 2019-11-05 James Jun He , Kanta Hiroki , Keita Hamamoto , Naoto Nagaosa

Exact wave functions and energy levels are obtained for an electron in a two-dimensional semiconductor circular quantum ring with a confining potential of finite depth in the presence of both an external magnetic field and the Rashba…

Mathematical Physics · Physics 2012-12-07 V. V. Kudryashov , A. V. Baran

In past few decades, Rashba spin-orbit coupling (SOC) has been successfully employed for the emergence of exotic phenomena at the quantum oxide interfaces. In these systems, the combined effect of charge transfer, broken symmetries and SOC…

Materials Science · Physics 2022-05-24 Megha Vagadia , Jaya Prakash Sahoo , Ankit Kumar , Suman Sardar , Tejas Tank , D. S. Rana

The tunability of the Rashba spin-orbit coupling allows to build semiconductor heterostructures with space modulated coupling intensities. We show that a wire-shaped spin-orbit modulation in a quantum well can support propagating electronic…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Manuel Valin-Rodriguez , Antonio Puente , Llorens Serra

We study the magnetotransport properties of a two-dimensional electronic system with unconventional Rashba spin-orbit coupling in which the system is described by a pair of chiral spin texture in each spin branch, and the chirality is…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Aryan Pandita , SK Firoz Islam

The ability of spin-orbit interactions to convert charge current into spin current, most often in the bulk of heavy metal thin films, has been the hallmark of spintronics in the last decade. In this study, we demonstrate how the insertion…

Mesoscale and Nanoscale Physics · Physics 2022-06-27 S. Krishnia , Y. Sassi , F. Ajejas , N. Reyren , S. Collin , A. Fert , J. -M. George , V. Cros , H. Jaffres

We identify a series of topological transitions occurring in electronic spin transport when manipulating spin-guiding fields controlled by the geometric shape of mesoscopic interferometers. They manifest as distinct inversions of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 M. Wang , H. Saarikoski , A. A. Reynoso , J. P. Baltanás , D. Frustaglia , J. Nitta

In 1984, Bychkov and Rashba introduced a simple form of spin-orbit coupling to explain certain peculiarities in the electron spin resonance of two-dimensional semiconductors. Over the past thirty years, similar ideas have been leading to a…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 A. Manchon , H. C. Koo , J. Nitta , S. M. Frolov , R. A. Duine
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