Criteria of existence for bounce solutions in false vacuum decay with gravity
arXiv:1708.02689 · doi:10.1088/1361-6382/aaa4ea
Abstract
The bounce solutions of self-interacting scalar fields coupled to gravity are studied using a semi-classical approach. We found that bounce solutions have a maximum required barrier curvature, in addition to the known minimum required barrier curvature. In particular, as the maximum barrier curvature is approached, the scale factor of the well-known Colemen-De Luccia (CDL) bounce solutions become divergent. Unlike the CDL or its more general oscillating bounce counterparts, this cannot be considered as a subset of the Hawking-Turok solution.
arXiv comment15 pages, 5 figures. Added references and typos corrected. Accepted for publication in Classical and Quantum Gravity
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