Exchange interaction in type-II quantum wells

B. Rejaei Salmassi; Gerrit E. W. Bauer

doi:10.1103/PhysRevB.39.1970

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Exchange interaction in type-II quantum wells

B. Rejaei Salmassi and Gerrit E. W. Bauer

Phys. Rev. B 39, 1970(R) – Published 15 January 1989

Abstract

The heavy-hole-exciton splitting in type-II quantum wells due to the electron-hole exchange interaction is calculated in an effective-mass approximation. Good agreement with the trends observed in recent optically detected magnetic resonance experiments by van Kesteren and colleagues has been found. By comparison of theory with experiment the $X - Γ$ electron-hole exchange interaction for bulk GaAs is determined to be ≃80 meV/molecule.

Received 13 September 1988

DOI:https://doi.org/10.1103/PhysRevB.39.1970

Authors & Affiliations

B. Rejaei Salmassi^* and Gerrit E. W. Bauer

Philips Research Laboratories, P. O. Box 80 000, 5600 JA Eindhoven, The Netherlands

^*Present address: Laboratory of Electromagnetic Research, Faculty of Electrical Engineering, Delft University of Technology, P.O. Box 5031, 2600 GA Delft, The Netherlands.

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Vol. 39, Iss. 3 — 15 January 1989

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Physical Review B

covering condensed matter and materials physics