Teplofizika vysokikh temperatur
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Teplofizika vysokikh temperatur, 2014, Volume 52, Issue 5, Pages 651–656
DOI: https://doi.org/10.7868/S0040364414040103
(Mi tvt1237)
 

This article is cited in 18 scientific papers (total in 18 papers)

Plasma Investigations

Analytical contradictions of the fixed-node density matrix

V. S. Filinov

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
References:
Abstract: Over the last decades the fixed-node method has been used for a numerical treatment of thermodynamic properties of strongly correlated Fermi systems. In this work correctness of the fixed-node method for ideal Fermi systems has been analytically analyzed. It is shown that the fixed-node prescription of calculation of the density matrix leads to contradictions even for two ideal fermions. The main conclusion of this work is that the fixed-node method can not reproduce the fermion density matrices and should be considered as uncontrolled empirical approach in treatment of thermodynamics of Fermi systems.
Received: 29.08.2013
English version:
High Temperature, 2014, Volume 52, Issue 5, Pages 615–620
DOI: https://doi.org/10.1134/S0018151X14040105
Bibliographic databases:
Document Type: Article
UDC: 530.19
Language: Russian
Citation: V. S. Filinov, “Analytical contradictions of the fixed-node density matrix”, TVT, 52:5 (2014), 651–656; High Temperature, 52:5 (2014), 615–620
Citation in format AMSBIB
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  • This publication is cited in the following 18 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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