Journal
PHYSICAL REVIEW B
Volume 78, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.075208
Keywords
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Funding
- DOE Office [08SCPE973]
- ONR [N00014-07-1-0479]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0802216] Funding Source: National Science Foundation
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We use a recently developed self-consistent GW approximation to perform first-principles calculations of the conduction-band spin splitting in GaAs under [110] strain. The spin-orbit interaction is taken into account as a perturbation to the scalar relativistic Hamiltonian. These are the calculations of conduction-band spin splitting under deformation based on a quasiparticle approach and, because the self-consistent GW scheme accurately reproduces the relevant band parameters, it is expected to be a reliable predictor of spin splittings. We also discuss the spin-relaxation time under [110] strain and show that it exhibits an in-plane anisotropy, which can be exploited to obtain the magnitude and sign of the conduction-band spin splitting experimentally.
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