ZERO-TEMPERATURE ENTROPY OF FULLY FRUSTRATED GENERALIZED SIERPINSKI GASKETS

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题名:	ZERO-TEMPERATURE ENTROPY OF FULLY FRUSTRATED GENERALIZED SIERPINSKI GASKETS
作者:	CHANG,CY;HUI,PM;YU,KW
贡献者:	機械工程學系
关键词:	PHASE-TRANSITIONS;EUCLIDEAN LATTICE;FRACTAL LATTICE;CROSSOVER
日期:	1993
上传时间:	2010-06-29 18:08:32 (UTC+8)
出版者:	中央大學
摘要:	The Ising model with antiferromagnetic couplings on a family of generalized Sierpinski gaskets is studied using an exact technique developed recently by Stinchcombe [Phys. Rev. B 41 (1990) 2510]. A general expression of the zero-temperature entropy per spin, S(b)AFM (0), is given for general b, where b is a rescaling factor characterizing the fractals. Exact expressions for S(b)AFM (0) are derived for the cases b = 2, 3, 4, 5, 6. These expressions are evaluated numerically and results are compared to those obtained previously by numerical iterations of renormalization-group equations. The asymptotic behavior of S(b)AFM (0) in the limit of large b is discussed.
關聯:	PHYSICS LETTERS A
显示于类别:	[機械工程研究所] 期刊論文

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