Tools for Tunneling
摘要
If the universe is trapped and cooled in a metastable false vacuum state, that state will eventually decay by bubble nucleation and expansion. For example, many extensions of the standard model incorporate new scalar fields whose potential has a local minimum at the origin but a global minimum elsewhere, to which the vacuum will eventually tunnel. I calculate the lifetime of the false vacuum, and the field profile of the bubble after tunneling, for any potential that is approximately a polynomial of degree <= 4 near the false vacuum. Essentially exact results are given for a single field; for multiple fields the given action is a strict upper bound.
引用
@article{arxiv.hep-ph/9804308,
title = {Tools for Tunneling},
author = {Uri Sarid},
journal= {arXiv preprint arXiv:hep-ph/9804308},
year = {2009}
}
备注
RevTeX, 4 pages, including 3 eps figures embedded via epsfig; revised version (minor typos corrected, reference added, clarifications made) to appear in Phys. Rev. D