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Approximations to the Dirac density matrix

โœ Scribed by K.J. Le Couteur; M.K. Roy


Publisher
Elsevier Science
Year
1964
Weight
181 KB
Volume
8
Category
Article
ISSN
0031-9163

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Local harmonic approximation for multidi
โœ V.S. Jorish; V.Yu. Zitserman ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 279 KB

A method is established for the approximate calcuiation of the density matrix for a system of interacting anharmonic osciUators. An approximate analytical expression is obtained for the density matrix of a two-dimensional isotropic %nharmonk osciIIator. As an example the calculations for a two-dimen