Anomalous Rashba spin splitting in two-dimensional hole systems

Abstract

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.

4 pages, 3 figures

References in corpus (1)

• In-plane magnetic field-induced spin polarization and transition to insulating behavior in two-dimensional hole systems

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