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Spatial Dispersion Effects in the Transmission Spectra of Semiconductors in the Region of Exciton Resonances
Author(s) -
Dietrich B.,
Voigt J.
Publication year - 1979
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.2220930225
Subject(s) - exciton , polarizability , spatial dispersion , semiconductor , dispersion (optics) , condensed matter physics , resonance (particle physics) , spectral line , materials science , transmission (telecommunications) , dispersion relation , excited state , biexciton , atomic physics , molecular physics , physics , optics , optoelectronics , quantum mechanics , electrical engineering , engineering , molecule
The influence of spatial dispersion on the transmittivity of a semiconductor platelet in the region of an exciton resonance is investigated theoretically. In detail the dependences on the exciton parameters such as translational mass, polarizability, and damping are discussed. It is found that all the peculiarities observed experimentally for the A ground state exciton in CdS can be explained quantitatively.