Spin Edge Helices in a Perpendicular Magnetic Field

Badalyan, S. M. and Fabian, J. (2010) Spin Edge Helices in a Perpendicular Magnetic Field. PHYSICAL REVIEW LETTERS, 105 (18): 186601. ISSN 0031-9007,

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Abstract

We present an exact solution to the problem of the spin edge states in the presence of equal Bychkov-Rashba and Dresselhaus spin-orbit fields in a two-dimensional electron system, restricted by a hard-wall confining potential and exposed to a perpendicular magnetic field. We find that the spectrum of the spin edge states depends critically on the orientation of the sample edges with respect to the crystallographic axes. Such a strikingly different spectral behavior generates new modes of the persistent spin helix-spin edge helices with novel properties, which can be tuned by the applied electric and magnetic fields.

Item Type: Article
Uncontrolled Keywords: COULOMB DRAG; ELECTRON-GAS; SPINTRONICS; RESONANCE;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian
Depositing User: Dr. Gernot Deinzer
Date Deposited: 08 Jul 2020 06:16
Last Modified: 08 Jul 2020 06:16
URI: https://pred.uni-regensburg.de/id/eprint/23998

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