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Correlations in Ising chains with non-integrable interactions | B. Bergersen
; Z. Racz
; H.-J. Xu
; | Date: |
7 Sep 1995 | Subject: | cond-mat | Affiliation: | UBC), Z. Racz (Eotvos U.), and H.-J. Xu (U. Manitoba | Abstract: | Two-spin correlations generated by interactions which decay with distance r as r^{-1-sigma} with -1 infty, but they contain a singular structure for r/L -> 0 which can be observed by introducing magnified correlations, LC(r,L)-sum_r C(r,L). The magnified correlations are shown to have a scaling form F(r/L) and the singular structure of F(x) for x->0 is found to be the same at all temperatures including the critical point. These conclusions are supported by the results of Monte Carlo simulations for systems with sigma =-0.50 and -0.25 both at the critical temperature T=Tc and at T=2Tc. | Source: | arXiv, cond-mat/9509038 | Services: | Forum | Review | PDF | Favorites |
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