The φ4 lattice field theory as an asymptotic expansion about the Ising limit |
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Authors: | Gunduz Caginalp |
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Institution: | The Rockefeller University, New York, New York 10021 USA |
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Abstract: | For a d-dimensional φ4 lattice field theory consisting of N spins, an asymptotic expansion of expectations about the Ising limit is established in inverse powers of the bare coupling constant λ. In the thermodynamic limit (N → ∞), the expansion is expected to be valid in the noncritical region of the Ising system. |
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