Journal of Physical Studies 1(1), 12–24 (1996)
DOI: https://doi.org/10.30970/jps.01.12

APPROXIMATING STATISTICAL OPERATOR FOR A STRONGLY NON-IDEAL FERMI SYSTEM

M. Vavrukh1, Ya. Kushtay2
1Institute for Condensed Matter Physics Ukrainian Academy of Sciences, Lviv
1 Svientsitskii Str., Lviv UA-290011, Ukraine
2Lviv Commercial College
8 Mentsinskii Str., Lviv UA-290000, Ukraine

On the ground of the modified displacement transformation a method of constructing an effective statistical operator for the strongly non-ideal Fermi systems has been developed. The general scheme is adapted to the homogeneous electron liquid model at the low temperatures without the limitation on the nonideality parameter $r_s$.

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