The $(λΦ^4)_4$ theory on the lattice: effective potential and triviality

Details The $(λΦ^4)_4$ theory on the lattice: effective potential and triviality The $(λΦ^4)_4$ theory on the lattice: effective potential and triviality

1997-09-17

arxiv.org/abs/hep-lat/9709057v1

Nucl.Phys.Proc.Suppl. 63 (1998) 637-639

Physics

High Energy Physics

High Energy Physics - Lattice

Contribution to the Lattice '97 proceedings, LaTeX, uses espcrc2.sty, 3 pages

Scientific paper

10.1016/S0920-5632(97)00856-6

We compute numerically the effective potential for the $(\lambda \Phi^4)_4$ theory on the lattice. Three different methods were used to determine the critical bare mass for the chosen bare coupling value. Two different methods for obtaining the effective potential were used as a control on the results. We compare our numerical results with three theoretical descriptions. Our lattice data are in quite good agreement with the ``Triviality and Spontaneous Symmetry Breaking'' picture.

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