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Stochastic positive P-representation in problems of quantum statistics. Simulation of one-dimensional Bose-gas with delta-repulsion
Stockholm University, Faculty of Science, Department of Physical, Inorganic and Structural Chemistry.
St.Petersburg State University.
Stockholm University, Faculty of Science, Department of Physical, Inorganic and Structural Chemistry. (computational chemistry)
2009 (Russian)In: Vychislitel'nye Metody i Programirovaniye [Numerical methods and programming], ISSN 0507-5386, Vol. 10, 223-247 p.Article in journal (Other academic) Published
Abstract [en]

A method of stochastic positive P-representation for the computer simulation of thermal equilibrium and dynamical properties of many-particle quantum systems with interactions is proposed and thoroughly analyzed. The testing procedure of the method includes the evaluation of spatial correlation functions for the one-dimensional Bose-gas with delta-repulsion between particles, both in the state of thermal equilibrium and in the dynamical evolution from a given initial state. This work was supported by the Russian Foundation for Basic Research (project number 08–02–00041) and by the Royal Swedish Academy of Sciences.

 

Place, publisher, year, edition, pages
2009. Vol. 10, 223-247 p.
Keyword [en]
quantum dynamics, stochastic differential equations, Bose-gas, correlation functions
National Category
Other Physics Topics
Research subject
Numerical Analysis; Physics
Identifiers
URN: urn:nbn:se:su:diva-31844OAI: oai:DiVA.org:su-31844DiVA: diva2:278701
Note
Artikel på ryska med engelsk sammanfattningAvailable from: 2009-11-29 Created: 2009-11-29 Last updated: 2011-10-17Bibliographically approved

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http://www.srcc.msu.su/num-meth/english/zhurnal/tom_2009/v10r124.html

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