Frustration in an exactly solvable mixed-spin Ising model with bilinear and three-site four-spin interactions on a decorated square lattice
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- 作者：M. Ja&scaron ; čura ; michal.jascur@upjs.sk" class="auth_mail" title="E-mail the corresponding author ; V. &Scaron ; tubňaa ; viliamstubna@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; K. Szałowskib ; kszalowski@uni.lodz.pl" class="auth_mail" title="E-mail the corresponding author ; T. Balcerzakb ; tadeusz.balcerzak@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Frustration ; Ising model ; Many-body interactions ; Exact results ; Decorated lattice ; Phase transitions
- 刊名：Journal of Magnetism and Magnetic Materials
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：417
- 期：Complete
- 页码：92-99
- 全文大小：2262 K
文摘
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Mixed-spin Ising model with three-site four-spin interactions has been studied.
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Original phases have been observed in the system with pure multi-spin interactions.
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Non-zero entropy has been found at zero absolute temperature.