Anomalous Rashba spin splitting in two-dimensional hole systems

Details Anomalous Rashba spin splitting in two-dimensional hole systems Anomalous Rashba spin splitting in two-dimensional hole systems

2001-06-13

arxiv.org/abs/cond-mat/0106246v1

Phys. Rev. B 65, 155303 (2002)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevB.65.155303

It has long been assumed that the inversion asymmetry-induced Rashba spin splitting in two-dimensional (2D) systems at zero magnetic field is proportional to the electric field that characterizes the inversion asymmetry of the confining potential. Here we demonstrate, both theoretically and experimentally, that 2D heavy hole systems in accumulation layer-like single heterostructures show the opposite behavior, i.e., a decreasing, but nonzero electric field results in an increasing Rashba coefficient.

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