Jahn-Teller Effect in Diamond Vacancy Under Stress

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monfared, Mohammad | 2013

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 45578 (04)
University: Sharif University of Technology
Department: Physics
Advisor(s): Vesaghi, M. A; Babamoradi, M
Abstract:
Electron states of diamond vacancy under stress were studied theoretically. The generalized Hubbard model is used to calculate the electrons energy levels. The results shows that the degeneracy of some levels (T, with triple space degeneracy) reduced to levels with lower degeneracy (E, with double space degeneracy and A, without degeneracy). Besides this spiting of degeneracy the energy of all states changed and therefore the transition energy between these states changed too. Jahn-Teller effect was observed
Keywords:
Generalized Hubbard Model ; Jahn-Teller Effect ; Diamond Vacancy ; Second Quantization

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