Treatment of the relaxedFcenter in KCl with the recursion method
- 15 September 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 32 (6) , 4106-4110
- https://doi.org/10.1103/physrevb.32.4106
Abstract
Ham’s vibronic model for the relaxed excited state of the F center in KCl is investigated with a new approach based on the recursion method. We have calculated the energy and the wave function of the ground vibronic state and the lowest excited state, the dichroism in light emission in the presence of external fields (magnetic field, electric field, uniaxial stress), and the temperature dependence of the polarization induced by the electric field and by the uniaxial stress. Ham’s vibronic model is found to account satisfactorily for the above properties. The perspectives of the recursion procedure for studying coupled electron-phonon systems are discussed.Keywords
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