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Hopping Thermopower in the Regime of Ballistic Phonons
Author(s) -
Zvyagin I. P.
Publication year - 1998
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/(sici)1521-3951(199801)205:1<391::aid-pssb391>3.0.co;2-s
Subject(s) - phonon , condensed matter physics , seebeck coefficient , ballistic conduction , physics , mean free path , function (biology) , distribution function , electron , quantum mechanics , electrical resistivity and conductivity , evolutionary biology , biology
It is argued that at low temperatures, under the conditions when the phonon mean free path exceeds the system size (regime of ballistic phonons), the thermopower cannot be calculated using the standard approach based on the local equilibrium approximation for the electron distribution function. Under these conditions, the hopping thermopower is shown to vanish.