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Дата изменения: Fri May 23 15:58:08 2008
Дата индексирования: Mon Oct 1 22:43:11 2012
Кодировка:
"Calculations of equilibrium properties of quantum systems using the expanded ensemble MC technique"  
"Calculations of equilibrium properties of quantum systems using the expanded ensemble MC technique"
Voznesenskiy M.A., Vorontsov-Velyaminov P.N., Lyubartsev A.P.

     The expanded ensemble Monte-Carlo method with the Wang-Landau algorithm is used to calculate the ratio of partition functions for each class of permuations in the problem of several interacting particles (fermions) in an external field. The complete partition function and the average energy for a system of indentical particles is obtained at finite temperatures down to their low values.

Key words: Monte-Carlo method, quantum statistics, path integral, density matrix

Voznesenskiy M.A., Vorontsov-Velyaminov P.N.     e-mail: MVoznessenski@gmail.com,    voron.wgroup@pobox.spbu.ru
Lyubartsev A.P. Division of Physical Chemistry, Arrhenius Laboratory, Stockholm University, S-10691, Stockholm, Sweden;     e-mail: sasha@physc.su.se