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Low-temperature effective potential of the Ising model |
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| Authors: | Andrea Pelissetto Ettore Vicari |
| Affiliation: | Dihartimento di Fisica dell'Universitá and LN.FN., I-56126, Pisa, Italy |
| Abstract: | We study the low-temperature effective potential of the Ising model. We evaluate the three-point and four-point zero-momentum renormalized coupling constants that parametrize the expansion of the effective potential near the coexistence curve. These results are obtained by a constrained analysis of the ε-expansion that uses accurate estimates for the two-dimensional Ising model. |
| Keywords: | Field theory Critical phenomena Ising model Broken phase Effective potential n-point renormalized coupling constants ε-expansion |
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