On the extremality of the disordered sta
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Dmitry Ioffe
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Article
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1996
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Springer
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English
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We give a simple proof that the limit Ising Gibbs measure with free boundary conditions on the Bethe lattice with the forward branching ratio k /> 2 is extremal if and only if/~ is less or equal to the spin glass transition value, given by tanh(Bc so) = 1/x/k.