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On the Effective Mass of Pekar's Polaron
Author(s) -
Davydov A. S.,
Enolskii V. Z.
Publication year - 1987
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.2221430118
Subject(s) - polaron , effective mass (spring–mass system) , ionic bonding , physics , dispersion (optics) , condensed matter physics , quantum mechanics , electron , ion
The polaron motion in Pecar's model is shown to be possible only in ionic crystals with positive dispersion Ω 2 (κ) Ω 0 2+ ν 0 2 κ 2 , at the velocity ν ≦ ν 0 . The expression for the polaron effective mass up to v 2 0 is obtained.
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