Journal
PHYSICS LETTERS B
Volume 708, Issue 3-5, Pages 309-313Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2012.01.026
Keywords
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Funding
- Impuls und Vernetzungsfond of the Helmholtz Association of German Research Centers [HZ-NG-603]
- German Science Foundation (DFG) within the Collaborative Research Center [676]
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We present exact bounce solutions and amplitudes for tunneling in (i) a piecewise linear-quartic potential and (ii) a piecewise quartic-quartic potential, ignoring the effects of gravitation. We cross check their correctness by comparing with results obtained through the thin-wall approximation and with a piecewise linear-linear potential. We briefly comment on applications in cosmology. (C) 2012 Elsevier B.V. All rights reserved.
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