A Unified Approach to Nonequilibrium Phenomena in a Crystalline Lattice. I. Formulation
- 15 July 1992
- journal article
- research article
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 61 (7) , 2260-2268
- https://doi.org/10.1143/jpsj.61.2260
Abstract
Basic equations which describe, in a unified way, nonequilibrium phenomena in a crystalline lattice are proposed by extending the self-consistent Einstein model to a dynamical one. Gaussian and one-body approximations for a probability distribution function of a lattice are made in the course of the derivation of the equations. In order to emphasize the essential idea of the derivation, only a one-dimensional anharmonic lattice is studied. The present paper, which is the first one of the present series of papers, forms the foundation of the series, since some applications and extensions of the basic equations derived here will be done in subsequent papers.Keywords
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