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Nonlinear Optics and the Mott Transition in Semiconductors
Author(s) -
Zimmermann R.
Publication year - 1988
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.2221460140
Subject(s) - exciton , mott transition , polarization (electrochemistry) , condensed matter physics , semiconductor , biexciton , nonlinear optical , physics , nonlinear system , nonlinear optics , band gap , quantum mechanics , chemistry , hubbard model , superconductivity
Abstract Optical spectra below and above the Mott transition of excitons have to be calculated from the inhomogeneous integral equation for the polarization function including self‐energy, screening, and band filling. Results for gap shifts, exciton shift, exciton bleaching, and continuum enhancement are critically reviewed and extended.