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|Abstract:||We report a severe, spin-dependent, Fermi contour anisotropy induced by parallel magnetic field in a high-mobility (001) GaAs two-dimensional hole system. Employing commensurability oscillations created by a unidirectional, surface-strain-induced, periodic potential modulation, we directly probe the anisotropy of the two spin subband Fermi contours. Their areas are obtained from the Fourier transform of the Shubnikov-de Haas oscillations. Our findings are in semiquantitative agreement with the results of parameter-free calculations of the energy bands.|
|Electronic Publication Date:||13-Dec-2012|
|Citation:||Kamburov, D, Shayegan, M, Winkler, R, Pfeiffer, LN, West, KW, Baldwin, KW. (2012). Anisotropic Fermi contour of (001) GaAs holes in parallel magnetic fields. Physical Review B, 86 (24), 10.1103/PhysRevB.86.241302|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Physical Review B|
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