Ising model with four-spin interaction on honeycomb lattice

The Ising model with the nearest-neighbor interaction J2 and four-spin interaction J4 on the honeycomb-lattice is investigated. The correlation relationships among two-spins and four-spins are calculated. The effects of spin-spin interactions on phase diagrams are investigated analytically and numer...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-06, Vol.378 (1), p.12004
Main Authors: Yang, Yuming, Teng, Baohua
Format: Article
Language:English
Subjects:
Ising model
Phase diagrams
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Summary:The Ising model with the nearest-neighbor interaction J2 and four-spin interaction J4 on the honeycomb-lattice is investigated. The correlation relationships among two-spins and four-spins are calculated. The effects of spin-spin interactions on phase diagrams are investigated analytically and numerically. Evidence from our derivation indicates that the classification of the phase-transition depends on the ratio of J4 to J2.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/378/1/012004