Investigation into O(N) Invariant Scalar Model Using Auxiliary-Mass Method at Finite Temperature

Details Investigation into O(N) Invariant Scalar Model Using Auxiliary-Mass Method at Finite Temperature Investigation into O(N) Invariant Scalar Model Using Auxiliary-Mass Method at Finite Temperature

1998-02-25

arxiv.org/abs/hep-ph/9802418v1

Phys.Rev. D58 (1998) 085010

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex 8 pages with 3 eps figures

Scientific paper

10.1103/PhysRevD.58.085010

Using auxiliary-mass method, O(N) invariant scalar model is investigated at
finite temperature. This mass and an evolution equation allow us to calculate
an effective potential without an infrared divergence. Second order phase
transition is indicated by the effective potential. The critical exponents are
determined numerically.

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