Nucleation at finite temperature beyond the superminispace model

Details Nucleation at finite temperature beyond the superminispace model Nucleation at finite temperature beyond the superminispace model

2000-03-28

arxiv.org/abs/hep-th/0003257v1

Phys.Lett. B483 (2000) 225-234

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, 3 figures

Scientific paper

10.1016/S0370-2693(00)00577-3

The transition from the quantum to the classical regime of the nucleation of the closed Robertson-Walker Universe with spacially homogeneous matter fields is investigated with a perturbation expansion around the sphaleron configuration. A criterion is derived for the occurrence of a first-order type transition, and the related phase diagram for scalar and vector fields is obtained. For scalar fields both the first and second order transitions can occur depending on the shape of the potential barrier. For a vector field, here that of an O(3) nonlinear $\sigma$-model, the transition is seen to be only of the first order.

Affiliated with

Also associated with

No associations

Rating

Nucleation at finite temperature beyond the superminispace model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Nucleation at finite temperature beyond the superminispace model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nucleation at finite temperature beyond the superminispace model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-199234