New inequalities for Ising ferromagnets |
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| Authors: | J. De Coninck Ph. de Gottal |
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| Affiliation: | (1) Faculté des Sciences, Université de l'Etat, 7000 Mons, Belgium |
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| Abstract: | It is shown that for Ising ferromagnets which obey the Lee-Yang theorem the Ursell functions or cumulants of the magnetization variable at nonzero external field satisfy series of inequalities. Several relations connecting Ursell functions with nonzero and zero field are derived. |
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| Keywords: | Lee-Yang theorem Ursell functions inequalities |
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