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Efficient algorithm for computing correlation functions of the two-dimensional random-bond Ising model

delete2009-09-03
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PRE
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吴
吴新天 (Xintian Wu) *
J
Juan Zhao
DOI:10.1103/PhysRevB.80.104402delete
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摘要

摘要

En 中文
Extending the recent work of the bond-propagation algorithm [Y.L. Loh and E. W. Carlson, Phys. Rev. Lett. 97, 227205 (2006)], we present an efficient algorithm for calculating the correlation functions between any two (or more) spins of Ising models in two dimensions. With this algorithm, the spontaneous magnetization, correlation length, and susceptibility can be calculated. The results for the usual Ising model with different size lattices are compared with the exact results. We also present the correlation functions for the +/-J random-bond Ising model.
Keyword:
EXACT CRITICAL-BEHAVIOR
ORDER
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期刊

Physical Review B 封面图
Physical Review B
IF:
3.7
论文数:
15.4W
被引数:
41.0W

机构

B
Beijing Normal University
学者数:
3.3W
论文数: 2.7W
被引数: 4.2W
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