Excitons in direct band gap cubic semico
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Hoang Ngoc Cam; Nguyen Van Hieu; Nguyen Ai Viet
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Article
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1985
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Elsevier Science
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English
⚖ 635 KB
## Perturbation is applied to study of the Wannier-Mott excitons in direct band gap cubic semiconductors with a fourfold degenerate highest valence band. The tine structure of exciton energy levels is investigated. General formulae are derived for the matrix elements of the perturbation. From th