Hartree-Fock Theory of Hole Stripe States

Details Hartree-Fock Theory of Hole Stripe States Hartree-Fock Theory of Hole Stripe States

2000-05-23

arxiv.org/abs/cond-mat/0005374v2

Phys. Rev. B 62, R7747 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages including 4 figures

Scientific paper

10.1103/PhysRevB.62.R7747

We report on Hartree-Fock theory results for stripe states of two-dimensional hole systems in quantum wells grown on GaAs (311)A substrates. We find that the stripe orientation energy has a rich dependence on hole density, and on in-plane field magnitude and orientation. Unlike the electron case, the orientation energy is non-zero for zero in-plane field, and the ground state orientation can be either parallel or perpendicular to a finite in-plane field. We predict an orientation reversal transition in in-plane fields applied along the $\lbrack\bar{2}33\rbrack$ direction.

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