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The exact renormalization group and approximation solutions
We investigate the structure of Polchinski's formulation of the flow equations for the continuum Wilson effective action. Reinterpretations in terms of I.R. cutoff greens functions are given. A promising non-perturbative approximation scheme is derived by carefully taking the sharp cutoff limit...
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| Lenguaje: | eng |
| Publicado: |
1994
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| Acceso en línea: | https://dx.doi.org/10.1142/S0217751X94000972 http://cds.cern.ch/record/252726 |