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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/14271

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14271

Title:	LOW-TEMPERATURE SERIES EXPANSIONS FOR SQUARE-LATTICE ISING MODEL WITH FIRST AND SECOND NEIGHBOUR INTERACTIONS
Authors:	Kao, Yee-Mou;Chen, Mall;Lin, Keh-Ying
Contributors:	物理學系
Keywords:	Ising model;Low temperature series expansions
Date:	2002
Issue Date:	2012-09-10T06:37:59Z
Publisher:	World Scientific Publishing
Abstract:	We have calculated the low-temperature series expansions of the spontaneous magnetization and the zero-field susceptibility of the square-lattice ferromagnetic Ising model with first-neighbour interaction J1 and second-neighbour interaction J2 to the 30th and 26th order respectively by computer. Our results extend the previous calculations by Lee and Lin to six more orders. We use the Pad� approximants to estimate the critical exponents and the critical temperature for different ratios of R = J2/J1. The estimated critical temperature as a function of R agrees with the estimation by Oitmaa from high-temperature series expansions.
Relation:	Int. J. Mod. Phys. B, 16(32): 4911-4917
Appears in Collections:	[Department of Physics] Periodical Articles

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