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The European Physical Journal B

Real-space renormalization group for directed percolation system

Sam Y. S. Yang, Zhao-Qing Zhang

Published Dec 1, 1984• 0 citations
Publisher
DOI
10.1007/bf01470422

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A new real space renormalization group transformation combining ideas from mean-field and finite-size scaling theories is presented. Application to the two-dimensional site directed percolation problem gives better values for the percolation threshold and critical exponent of longitudinal correlation length than those obtained previously with other real space renormalization group approaches. When applied to one-, two- and three-dimensional) Ising models, the results are comparable to the ones from previous mean-field-like renormalization group transformations. This method can easily be applied to other systems having second-order phase transitions.