Decay of the Two-Point Function in One-Dimensional O(N) Spin Models with Long Range Interactions
arXiv:cond-mat/9811219 · doi:10.1023/A:1004595419419
Abstract
Using Griffiths and Lieb-Simon type inequalities, it is shown that the two-point function of ferromagnetic spin models with N components in one dimension decays like the interaction provided that N=1,2,3,4 and T > T_c.
to be published in Journ. Stat. Physics