Abstract.
We build the two dimensional Gross-Neveu model by a new method which requires neither cluster expansion nor discretization of phase-space. It simply reorganizes the perturbative series in terms of trees. With this method we can define non perturbatively the renormalization group differential equations of the model and at the same time construct explicitly their solution.
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Submitted 02/03/98, revised 08/09/98, accepted 18/11/98
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Disertori, M., Rivasseau, V. Continuous Constructive Fermionic Renormalization. Ann. Henri Poincaré 1, 1–57 (2000). https://doi.org/10.1007/PL00000998
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DOI: https://doi.org/10.1007/PL00000998