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《Wuhan University Journal(Natural Science Edition)》 2003-01
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Kadanoff Blocks and Renormalization Group Approach to Two-Dimensional Lattice

GONG Ping, CHEN Yao\|feng, ZHOU Xiang, ZHU Jia\|kun, HU Cheng\|zheng (School of Physics and Technology, Wuhan University, Wuhan 430072, Hubei, China)  
The renormalization group transformation and Kadanoff construction are applied to two\|dimensional lattices. The general rule for Kadanoff construction and permitted site’s number are given. The fixed points and critical exponents are then calculated for the blocks with 9 and 13 sites. The comparison is made between the results and those obtained by the exact solution. The result shows that the calculation precision tends to be raised with increasing of the site’s number in the construction.
【Fund】: 国家自然科学基金资助项目 (1 97740 4 4 )
【CateGory Index】: O414.21
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