We present a proof of a set of FKG inequalities, namely, . The proof is obtained using Gaussian random variables and holds for systems whose Hamiltonian contains a positive quadratic form and one‐body interactions on which no restrictions are placed.
Topics
Covariance and correlation
REFERENCES
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J. L. Monroe and A. J. F. Siegert, “GKS Inequalities for Arbitrary Spin Ising Ferromagnets,” J. Stat. Phys., to be published.
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© 1974 American Institute of Physics.
1974
American Institute of Physics
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