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Binding energies and wave functions of Wannier excitons in uniaxial crystals—A modified perturbation approach II. Applications
Author(s) -
Gerlach B.,
Pollmann J.
Publication year - 1975
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220670208
Subject(s) - wannier function , exciton , anisotropy , perturbation (astronomy) , wave function , physics , condensed matter physics , perturbation theory (quantum mechanics) , quantum mechanics
A modified perturbation approach is used to describe anisotropic Wannier excitons. The influence of small external fields on the energy levels is discussed. The whole scheme is examplified in the case of GaSe and CdSe; anisotropy parameter and masses can be calculated in a consistent way.