For the nearest-neighbor two-dimensional O(3) spin model with no external field or topological term, normalization by susceptibility and second-moment correlation length yields a unique continuum Schwinger hierarchy as the bare inverse coupling tends to infinity through all positive real values; the reconstructed field theory has a positive mass gap and a nonzero connected four-point function.
For the nearest-neighbor two-dimensional O(3) spin model with no external field or topological term, normalization by susceptibility and second-moment correlation length yields a unique continuum Schwinger hierarchy as the bare inverse coupling tends to infinity through all positive real values; the reconstructed field theory has a positive mass gap and a nonzero connected four-point function.
For the nearest-neighbor two-dimensional O(3) spin model with no external field or topological term, normalization by susceptibility and second-moment correlation length yields a unique continuum Schwinger hierarchy as the bare inverse coupling tends to infinity through all positive real values; the reconstructed field theory has a positive mass gap and a nonzero connected four-point function.
If correct, constructs a canonical non-Gaussian massive continuum field theory from the specified O(3) lattice model.
Does the canonical nearest-neighbor two-dimensional O(3) model have an interacting massive continuum limit without subsequence selection?
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OpenAI reports a canonical massive continuum limit of the two-dimensional O(3) model
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