Volume 76, Number 3, November 2006
|Page(s)||477 - 483|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||11 October 2006|
Harper-Hofstadter problem for a 2D electron gas with -linear Rashba spin-orbit coupling
Nizhny Novgorod State University - Gagarin ave. 23 Nizhny Novgorod 603950, Russian Federation
Accepted: 11 September 2006
The Harper-Hofstadter problem for a two-dimensional electron gas with Rashba spin-orbit coupling subject to periodic potential and perpendicular magnetic field is studied analytically and numerically. The butterfly-like energy spectrum, spinor wave functions as well as the spin density and average spin polarization are calculated for actual parameters of semiconductor structure. Our calculations show that in a two-dimensional electron gas subject to periodic potential and uniform magnetic field the effects of energy spectrum splitting caused by large spin-orbit Rashba coupling can be observed experimentally.
PACS: 71.70.Di – Landau levels / 71.70.Ej – Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect
© EDP Sciences, 2006
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