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Generalized Polar Decompositions for the Approximation of the Matrix Exponential

โœ Scribed by Zanna, A.; Munthe-Kaas, H. Z.


Book ID
115542559
Publisher
Society for Industrial and Applied Mathematics
Year
2002
Tongue
English
Weight
242 KB
Volume
23
Category
Article
ISSN
0895-4798

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It is shown that the local thermodynamic description of the ground state of a many-electron system, earlier proposed by Ghosh, Berkowitz and Parr, is equivalent to a well defined approximation for the density matrix and therefore for the Wigner's distribution.