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arxiv: 1807.03381 · v3 · pith:ILRS2KFXnew · submitted 2018-07-09 · ✦ hep-lat

New MC determination of the critical coupling in φ⁴₂ theory

Simone Bronzin , Barbara De Palma , Marco Guagnelli This is my paper
classification ✦ hep-lat
keywords couplingtheorycarlocontinuumcriticaldeterminationdeterminedimensions
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We investigate the non-perturbative features of $\phi^4_2$ theory in two dimensions, using Monte Carlo lattice methods. In particular we determine the ratio $f_0 \equiv g/\mu^2$, where g is the unrenormalised coupling, in the infinite volume and continuum limit. Our final result is $f_0$ = 11.055(14).

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Testing Scalar Field Self-Dualities in d=2 using a Variational Method

    hep-th 2026-04 unverdicted novelty 5.0

    Saddle-point self-duality methods agree with variational results on free energy in 2D critical scalar theory but differ by about 25% on the correlation length peak location.

  2. Testing Scalar Field Self-Dualities in d=2 using a Variational Method

    hep-th 2026-04 unverdicted novelty 4.0

    Saddle-point self-duality methods agree quantitatively with variational results on free energy for 2D critical φ⁴ theory but deviate by about 25% on the peak location of the correlation length.