Phys. Rev. B 65, 155303 (2002) [4 pages]Anomalous Rashba spin splitting in two-dimensional hole systemsReceived 4 September 2001; published 20 March 2002 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. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.65.155303
DOI:
10.1103/PhysRevB.65.155303
PACS:
73.21.-b, 71.70.Ej
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