The Three‐Spin Box Product Interaction
作者:
H. A. Brown,
期刊:
physica status solidi (b)
(WILEY Available online 1986)
卷期:
Volume 137,
issue 1
页码: 91-95
ISSN:0370-1972
年代: 1986
DOI:10.1002/pssb.2221370111
出版商: WILEY‐VCH Verlag
数据来源: WILEY
摘要:
AbstractThe three‐spin interaction in the form of a box product, σ1× σ2· σ3, is investigated including additional interaction terms in the Hamiltonian in the forms\documentclass{article}\pagestyle{empty}\begin{document}$ \sum\limits_i {\sigma _{iz},} \sum\limits_{ij} {\sigma _{iz} \sigma _{jz}} $\end{document}, and πiσiz. With the relative strengths considered as parameters, the thermodynamic properties are evaluated as a function of temperature and show considerable variety. Both second‐ and first‐order phase transitio
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