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98-15U

98-15U


By icmp_admin - Posted on 08 February 2012

UDC: 
537.31; 538.945
PACS: 
05.30.Fk

The Modificated Displacements Representation and the Cyclic Transformation of the Partition Function in the Electron Liquid Model

M. Vavrukh
Ya. Kushtaj
V. Solovyan
N. Tyshko

It was proved that the displacements representation in the statistical operator is equivalent to some cyclic transformation of Fermi system partition function. On this base for the strongly coupled systems the renormalized thermodynamical perturbation theory was formulated. The obtained diagrams are built on the effective interaction potential which takes into account the local-field-type effects. The correlation energy, pair distribution functions and the moment distribution of particles calculated in the frames of random phase approximation in proposed method are close to results obtained in the local-field approximation.

Year: 
1998
Pages: 
19
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