Grad Phi perturbations of massless Gaussian fields
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Abstract: (Springer)
We investigate weak perturbations of the continuum massless Gaussian measure by a class of approximately local analytic functionals and use our general results to give a new proof that the pressure of the dilute dipole gas is analytic in the activity.- random field
- renormalization group
- partition function
- model: gas
- dilute gas approximation
- sine-Gordon equation
- model: polymer
- potential: Coulomb
- space-time: torus
- expansion: cluster
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