Nonanalytic correlation length in Ising
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A. Hucht
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Article
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1992
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Elsevier Science
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English
โ 442 KB
A two-dimensional Ising system with ferromagnetic coupling and one defect line at distance L from the surface is solved exactly using Pfaffians. The system shows a singularity in the surface correlation length at a temperature Ts which is smaller than the transition temperature T c of the bulk. Nume