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Vacua on the Brink of Decay
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Vacua on the Brink of Decay
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We consider free massive matter fields in static scalar, electric and gravitational backgrounds. Tuning these backgrounds to the brink of vacuum decay, we identify a term in their effective action that is singular. This singular term is universal, being independent of the features of the background configuration. In the case of gravitational backgrounds, it can be interpreted as a quantum mechanical analog of Choptuik scaling. If the background is tuned slightly above the instability threshold, this singular term gives the leading contribution to the vacuum decay rate.
Forward citations
Cited by 2 Pith papers
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Thermodynamics of homogeneous Universes: de Sitter, Bonnor-Melvin and static Einstein
Three homogeneous universes with distinct matter content obey the same thermodynamic equation for energy density, implying vanishing cosmological constant in vacuum.
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Thermodynamics of homogeneous Universes: de Sitter, Bonnor-Melvin and static Einstein
De Sitter, Bonnor-Melvin-Λ and static Einstein universes share the same thermodynamic energy-density equation despite dissimilar matter fields, yielding zero cosmological constant in Minkowski vacuum.
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