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An Improvement in the Spherical Approximation of an Ising Spin System
Bibliographic Information
- Other Title
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- Improvement in the Spherical Approximat
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Description
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紀要論文
Rewriting the partition function of an Ising system as a multiple integral, dividing the integration space by a set of concentric spherical surfaces and sets of parallel planes into small domains, averaging separately the two factors constituting the integrand of the multiple integral over each of these domains, and replacing the two factors by their respective averages, logarithm of the partition function per spin is given by the extremum of a function with respect to a complex variable and a number of real variables. The specific heat curve of an Ising square lattice obtained by the present method is compared with those by the exact method, the spherical approximation and the mean field approximation.
Journal
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- お茶の水女子大學自然科學報告
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お茶の水女子大學自然科學報告 28 (2), 59-66, 1977-12
お茶の水女子大学
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Details 詳細情報について
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- CRID
- 1050282677926755328
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- NII Article ID
- 110006559064
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- NII Book ID
- AN00033958
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- ISSN
- 00298190
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- HANDLE
- 10083/2252
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- NDL BIB ID
- 1917396
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- Text Lang
- en
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- Article Type
- departmental bulletin paper
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- Data Source
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- IRDB
- NDL Search
- CiNii Articles