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The Exciton Reflection Shifting and Modification in Presence of Intensive Polariton Wave Interacting with LO‐Phonons in Polar Semiconductors
Author(s) -
Ivanov A. L.,
Vygovskii G. S.
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.2221500215
Subject(s) - polariton , exciton , reflection (computer programming) , phonon , physics , boundary (topology) , semiconductor , condensed matter physics , spectral line , polar , exciton polaritons , renormalization , atomic physics , quantum mechanics , mathematics , mathematical analysis , computer science , programming language
A set of macroscopic phonoriton equations describing exciton, photon, and LO‐phonon spectra renormalization in presence of intensive polariton wave is analyzed. New specific additional boundary conditions are introduced and corresponding exciton reflection spectra are calculated for the problem of probe wave reflection at the crystal boundary. The appearance of the new phonoriton spike and the exciton line shifting in reflection spectra are determined by the intensity of the pumping wave.