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High Energy Physics - Phenomenology

arXiv:0711.1821 (hep-ph)
[Submitted on 12 Nov 2007 (v1), last revised 24 Nov 2007 (this version, v2)]

Title:The Late Time Behavior of False Vacuum Decay: Possible Implications for Cosmology and Metastable Inflating States

Authors:Lawrence M. Krauss (1,2), James Dent (2) ((1) Case Western Reserve University, (2) Vanderbilt University)
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Abstract: We describe here how the late time behavior of the decaying states, which is predicted to deviate from an exponential form, while normally of insignificant consequence, may have important cosmological implications in the case of false vacuum decay. It may increase the likelihood of eternal inflation, and may help explain the likelihood of observing a small vacuum energy at late times, as well as arguing against decay into a large negative energy (anti-de Sitter space), vacuum state as has been motivated by some string theory considerations. Several interesting open questions are raised, including whether observing the cosmological configuration of a metastable universe can constrain its inferred lifetime.
Comments: 4 pages, submitted to PRL, one reference changed, and changes to abstract and concluding sentences to stem possible confusions regarding observation and metastability
Subjects: High Energy Physics - Phenomenology (hep-ph); Astrophysics (astro-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:0711.1821 [hep-ph]
  (or arXiv:0711.1821v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.0711.1821
Journal reference: Phys.Rev.Lett.100:171301,2008
Related DOI: https://doi.org/10.1103/PhysRevLett.100.171301

Submission history

From: Lawrence M. Krauss [view email]
[v1] Mon, 12 Nov 2007 17:18:45 UTC (49 KB)
[v2] Sat, 24 Nov 2007 23:37:31 UTC (49 KB)
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