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De Sitter decays to infinity

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. University of Illinois at Urbana-Champaign, IL (United States); European Organization for Nuclear Research (CERN), Geneva (Switzerland). The CMS Collaboration
  2. University of California, Santa Barbara (United States). Kavli Institute for Theoretical Physics
  3. University of Illinois at Urbana-Champaign, IL (United States)
Bubbles of nothing are a class of vacuum decay processes present in some theories with compactified extra dimensions. We investigate the existence and properties of bubbles of nothing in models where the scalar pseudomoduli controlling the size of the extra dimensions are stabilized at positive vacuum energy, which is a necessary feature of any realistic model. We map the construction of bubbles of nothing to a four-dimensional Coleman-De Luccia problem and establish necessary conditions on the asymptotic behavior of the scalar potential for the existence of suitable solutions. We perform detailed analyses in the context of five-dimensional theories with metastable dS4 x S1 vacua, using analytic approximations and numerical methods to calculate the decay rate. We find that bubbles of nothing sometimes exist in potentials with no ordinary Coleman-De Luccia decay process, and that in the examples we study, when both processes exist, the bubble of nothing decay rate is typically faster. Our methods can be generalized to other stabilizing potentials and internal manifolds.
Research Organization:
University of Illinois at Urbana-Champaign, IL (United States)
Sponsoring Organization:
Gordon and Betty Moore Foundation; National Science Foundation (NSF); USDOE Office of Science (SC)
Grant/Contract Number:
SC0015655
OSTI ID:
1976598
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 12 Vol. 2021; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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