O Klochan et al 2009 New J. Phys. 11 043018 doi:10.1088/1367-2630/11/4/043018
The interplay between one-dimensional confinement and two-dimensional crystallographic anisotropy effects in ballistic hole quantum wires
O Klochan1,4, A P Micolich1, L H Ho1, A R Hamilton1, K Muraki2 and Y Hirayama3
Show affiliationsIn this paper, we study the Zeeman spin-splitting in hole quantum wires aligned along the ![[\overline{2}33]](http://ej.iop.org/images/1367-2630/11/4/043018/nj303061ieqn1.gif)
and ![[01\overline{1}]](http://ej.iop.org/images/1367-2630/11/4/043018/nj303061ieqn2.gif)
crystallographic axes of a high-mobility (311)A undoped AlGaAs/GaAs heterostructure. We obtained measurements of the effective g-factor g* as a function of the wire width for in-plane magnetic fields aligned both parallel and perpendicular to the wire axis. We interpret our data in terms of a qualitative model that involves the interplay of two effects—1D confinement and 2D crystalline anisotropy.
- PACS
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71.70.Ej Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect
71.18.+y Fermi surface: calculations and measurements; effective mass, g factor
73.40.Kp III-V semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions
- Subjects
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Condensed matter: electrical, magnetic and optical
- Dates
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Issue 4 (April 2009)
Received 15 December 2008
Published 15 April 2009
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The interplay between one-dimensional confinement and two-dimensional crystallographic anisotropy effects in ballistic hole quantum wires
O Klochan et al 2009 New J. Phys. 11 043018
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