Non-perturbative Evaluation of the Effective Potential of $λφ^4$ Theory at Finite Temperature under the Super-Daisy Approximation

Details Non-perturbative Evaluation of the Effective Potential of $λφ^4$ Theory at Finite Temperature under the Super-Daisy Approximation Non-perturbative Evaluation of the Effective Potential of $λφ^4$ Theory at Finite Temperature under the Super-Daisy Approximation

1997-05-21

arxiv.org/abs/hep-th/9705158v1

Prog.Theor.Phys. 99 (1998) 119-128

Physics

High Energy Physics

High Energy Physics - Theory

12 page, 8 figures

Scientific paper

10.1143/PTP.99.119

We calculate the effective potential of the scalar theory at finite temperature under the super-daisy approximation, after expressing its derivative with respect to mass square in terms of the full propagator. This expression becomes the self-consistent equation for the derivative of the effective potential. We find the phase transition is first order with this approximation. We compare our result with others.

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