Classical Order Parameter Dynamics and the Decay of a Metastable Vacuum State

Details Classical Order Parameter Dynamics and the Decay of a Metastable Vacuum State Classical Order Parameter Dynamics and the Decay of a Metastable Vacuum State

2000-10-20

arxiv.org/abs/hep-ph/0010241v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, poster presented at Strong and Electroweak Matter (SEWM2000), Marseille, France, 14-17 June, 2000

Scientific paper

Transition of the ground state of a classical $\Phi^4$ theory in 2+1 dimensions is studied from a metastable state into the stable equilibrium. The transition occurs in the broken $Z_2$ symmetry phase and is triggered by a vanishingly small amplitude homogeneous external field $h$. A phenomenological theory is proposed in form of an effective equation of the quantitatively accounts for the decay of the false vacuum. The large amplitude transition of the order parameter between the two minima displays characteristics reflecting dynamical aspects of the Maxwell construction.

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