G. A. Vardanian, G. S. Mkrtchlan, “A solution to the density matrix equation”, UFN, 1990, Volume 160, Number 12,Pages <nobr>187

METHODOLOGICAL NOTES

A solution to the density matrix equation

G. A. Vardanian, G. S. Mkrtchlan

Yerevan State University

Abstract: The authors derive a solution for the density matrix of an electron moving in a spatially periodic field. The solution corresponds to a mixed state of the system.

UDC: 530.145

PACS: 03.65.-w

DOI: 10.3367/UFNr.0160.199012h.0187