2 papers
cond-mat.other2026
Enhanced approach to calculation of cluster integrals for lattice models of matter
M. V. Ushcats, S. Yu. Ushcats
The study is devoted to enhancing the existing techniques of calculating Mayer's expansion cluster integrals for lattice models of matter. Two important optimizations are proposed:…
cond-mat.stat-mech2018
Equation of state for all regimes of a fluid: from gas to liquid
M. V. Ushcats, S. Yu. Ushcats, L. A. Bulavin +1
The study of Mayer's cluster expansion (CE) for the partition function demonstrates a possible way to resolve the problem of the CE non-physical behavior at condensed states of flu…