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The 3/2 kT problem in the low‐temperature polaron mobility theories
Author(s) -
Peeters F. M.,
Devreese J. T.
Publication year - 1983
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.2221150225
Subject(s) - polaron , limit (mathematics) , condensed matter physics , coupling (piping) , phonon , physics , electron , electron mobility , quantum mechanics , materials science , mathematics , mathematical analysis , metallurgy
The linear de mobility of Fröhlich polarons is studied in the limit of small electron‐phonon coupling and low temperature. The well‐known discrepancy with a factor of 3/2 kT / h ω LO between the results appearing in the literature is understood in the light of an interchange of the limits limits lim lim.\documentclass{article}\pagestyle{empty}\begin{document}$$ \alpha \to 0\ \omega \to 0 $$\end{document}