Abstract
AbstractThe coupling parameters of the F‐centre to lattice modes of cubic, tetragonal, and trigonal symmetry are calculated using the pseudopotential theory of Bartram, Stoneham, and Gash, for all 20 alkali‐halides. Different analytical forms for the trial pseudo wave function are used. The results are compared with uniaxial stress and hydrostatic pressure experiments. General trends for the whole series of alkali‐halides agree with experiments.
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