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Spin-splitting in the electron subband of asymmetric GaAs/AlGaAs quantum wells: the multiband envelope function approach

Wissinger, L. and Rössler, Ulrich and Winkler, R. and Jusserand, B. and Richards, D. (1998) Spin-splitting in the electron subband of asymmetric GaAs/AlGaAs quantum wells: the multiband envelope function approach. Physical Review B 58 (23), pp. 15375-15377.

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Other URL: http://link.aps.org/abstract/PRB/v58/p15375

Abstract

The dependence on carrier concentration of the anisotropic spin splitting of the lowest electron subband in asymmetrically doped GaAs/Al $_{x}$ Ga $_{1-x}$ As quantum wells is determined. We employ the multiband envelope function approach based on 8 x 8 and 14 x 14 ${\bf k·p}$ Hamiltonians. Our self-consistent calculations yield results in quantitative agreement with experimental data obtained from inelastic light scattering.