One-dimensional DLR invariant measures are regular |
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Authors: | A De Masi |
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Institution: | (1) Istituto di Matematica, Università degli Studi dell' Aquila, I-67100 L'Aquila, Italy |
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Abstract: | A system of infinite spins in one dimension is considered. The interaction is given by a pair potential –J
xySxSy, whereS
x,S
y are the spins at the sitesx,y![isin](/content/t31nr663w40150r1/xxlarge8712.gif) andJ
xy=J(|x–y|) whereJ(|x–y|) decreases asymptotically in an integrable way. The self-interaction makes the system superstable. It is proven that any invariant DLR measure for this system satisfies Ruelle's superstable estimates (regularity condition). |
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Keywords: | |
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