Proton-phonon interaction in ferroelectrics with hydrogen bonds (strong coupling approximation)
Teoretičeskaâ i matematičeskaâ fizika, Tome 9 (1971) no. 3, pp. 431-439
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The role of the proton-phonon interaction in a crystal of a $\mathrm{KH_2PO_4}$ type is investigated in the strong coupling case. It is shown that the quasipolaron effect causes a renormalization of the tunneling frequency of the protons, in such a way that the latter decreases with the increasing of temperature. An expression for the self-consistent optical phonon frequencies is obtained. The spectrum of coupled proton-phonon vibrations is considered.
@article{TMF_1971_9_3_a12,
author = {I. V. Stasyuk},
title = {Proton-phonon interaction in ferroelectrics with hydrogen bonds (strong coupling approximation)},
journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
pages = {431--439},
year = {1971},
volume = {9},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TMF_1971_9_3_a12/}
}
TY - JOUR AU - I. V. Stasyuk TI - Proton-phonon interaction in ferroelectrics with hydrogen bonds (strong coupling approximation) JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1971 SP - 431 EP - 439 VL - 9 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_1971_9_3_a12/ LA - ru ID - TMF_1971_9_3_a12 ER -
I. V. Stasyuk. Proton-phonon interaction in ferroelectrics with hydrogen bonds (strong coupling approximation). Teoretičeskaâ i matematičeskaâ fizika, Tome 9 (1971) no. 3, pp. 431-439. http://geodesic.mathdoc.fr/item/TMF_1971_9_3_a12/
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