Closed kinetic equation for the density matrix of a subsystem interacting with phonons
Teoretičeskaâ i matematičeskaâ fizika, Tome 55 (1983) no. 2, pp. 313-320
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A closed kinetic equation is obtained for the statistical operator of a subsystem interacting with a phonon field. The phonon amplitudes are eliminated from this equation by the method of ordered operators.
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