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Research PapersNo Access

ONSET OF SYMMETRY BREAKING BY THE FUNCTIONAL RG METHOD

Gesellschaft für Schwerionenforschung mbH, Planckstr. 1, D-64291 Darmstadt, Germany

Frankfurt Institute for Advanced Studies, Universität Frankfurt, D-60438 Frankfurt am Main, Germany

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Department of Theoretical Physics, University of Debrecen, Debrecen, Hungary

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Strasbourg University, CNRS-IPHC, BP28 67037 Strasbourg Cedex 2, France

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Department of Theoretical Physics, University of Debrecen, Debrecen, Hungary

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https://doi.org/10.1142/S0217751X11052839Cited by:20 (Source: Crossref)

Abstract

A numerical algorithm is used to solve the bare and the effective potential for the scalar ϕ⁴ model in the local potential approximation. An approximate dynamical Maxwell-cut is found which reveals itself in the degeneracy of the action for modes at some scale. This result indicates that the potential develop singular field dependence as far as one can see it by an algorithm of limited numerical accuracy.

Keywords:

PACS: 05.10.Cc, 11.30.Qc, 64.60.ae

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Vol. 26, No. 07n08

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Received 5 January 2011

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