Abstract
The dispersion expansion for the spin correlation function in the two-dimensional Ising model with linear defects aboveT c is derived. The asymptotic behavior is computed by a steepest descent analysis. The lattice is divided into four domains with different asymptotic behaviors. In particular, the correlation length inside certain domains is a function of the defect.
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Ko, LF. Spin-spin correlation function in the two-dimensional Ising model with linear defects. II.T>T c . J Stat Phys 52, 815–827 (1988). https://doi.org/10.1007/BF01019731
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DOI: https://doi.org/10.1007/BF01019731