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2000 | 97 | 3 | 411-414
Article title

Thermodynamics of Pseudospin-Electron Model in the U=0 Limit

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Abstracts
EN
Analytical consideration of a pseudospin-electron model in the absence of electron correlations is presented. Pseudospin and electron number mean values, thermodynamic potential, pair correlation functions are obtained in the same self-consistent approximation. The possibility of either first or second order phase transitions between different uniform phases (bistability) as well as between the uniform and the chessboard one is shown. In the regime n=const, an instability with respect to phase separation can take place.
Keywords
Publisher

Year
Volume
97
Issue
3
Pages
411-414
Physical description
Dates
published
2000-03
Contributors
author
  • Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Str., 290011 Lviv, Ukraine
author
  • Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Str., 290011 Lviv, Ukraine
  • Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Str., 290011 Lviv, Ukraine
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv97z312kz
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