The Ising model limit of 𝜙⁴ lattice fields

The Ising model limit of $\phi ^{4}$ lattice fields
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by Jay Rosen

Proc. Amer. Math. Soc. 66 (1977), 114-118

DOI: https://doi.org/10.1090/S0002-9939-1977-0469019-6

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We show that the $\lambda \to \infty$ limit of $\lambda {\phi ^4}$ lattice fields is an Ising model.

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