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Distribution for Fermionic Discrete Lattice Gas within the Canonical Ensemble

Ryszard Kutner ,  Tomasz Barszczak 

Faculty of Physics, University of Warsaw (FPUW), Pasteura 5, Warsaw 02-093, Poland


The distinct deviations from the Fermi-Dirac statistics ascertained recently at low temperatures for a one-dimensional, spinless fermionic discrete lattice gas with conserved number of noninteracting particles hopping on the non-degenerated, well-separated single-particle energy levels are studied in numerical and theoretical terms. The generalized distribution is derived in the form n(h)= {Y(h) exp[(e(h) -- \mu)/kT] + 1}^{-1} valid even in the thermodynamic limit, when the discreteness of the energy levels is kept. This distribution demonstrates good agreement with the data obtained numerically both by the canonical partition function technique and by Monte Carlo simulation.

Journal of Statistical Physics 65 (1991), 813.


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Presentation: Article at Econophysics group of Ryszard Kutner, by Ryszard Kutner
See On-line Journal of Econophysics group of Ryszard Kutner

Submitted: 2016-03-29 11:32
Revised:   2016-03-29 11:36