On the cumulant expansion peculiarity for partition function functional of the cluster de Gennes model
The problem of the functional representation for cluster de Gennes model partition function within the collective variables method is discussed. Contrary to the usual Ising model case the coefficients of the obtained partition function functional (cluster cumulants) depend on temperature T and tra...
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| Date: | 2000 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики конденсованих систем НАН України
2000
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| Series: | Condensed Matter Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/120991 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | On the cumulant expansion peculiarity for partition function functional of the cluster de Gennes model / N.A. Korynevskii // Condensed Matter Physics. — 2000. — Т. 3, № 4(24). — С. 737-747. — Бібліогр.: 7 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | The problem of the functional representation for cluster de Gennes model
partition function within the collective variables method is discussed. Contrary to the usual Ising model case the coefficients of the obtained partition function functional (cluster cumulants) depend on temperature T and
transverse field Γ . Therefore there exists a rigorous limitation on the value
of Γ parameter at low temperatures. The equation for maximum value Γl ,
temperature and short-range intracluster interaction V is obtained. The
solutions of this equation have been found. |
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