Finite Temperature Effective Potential for Spontaneously Broken $λ Φ^4$ Theory

Details Finite Temperature Effective Potential for Spontaneously Broken $λ Φ^4$ Theory Finite Temperature Effective Potential for Spontaneously Broken $λ Φ^4$ Theory

1994-09-02

arxiv.org/abs/hep-ph/9409213v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, Talk held at the 'Workshop on Quantum Infrared Physics', 6-8 June at Paris

Scientific paper

We present a self-consistent calculation of the finite temperature effective potential for $\lambda \Phi^4$ theory in four dimensions using a composite operator effective action. We find that in a spontaneously broken theory not only the so-called daisy and superdaisy graphs contribute to the next-to-leading order thermal mass, but also resummed non-local diagrams are of the same order, thus altering the effective potential at small effective mass.

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