(Higgs) vacuum decay during inflation

Abstract

We develop the formalism for computing gravitational corrections to vacuum decay from de Sitter space as a sub-Planckian perturbative expansion. Non-minimal coupling to gravity can be encoded in an effective potential. The Coleman bounce continuously deforms into the Hawking-Moss bounce, until they coincide for a critical value of the Hubble constant. As an application, we reconsider the decay of the electroweak Higgs vacuum during inflation. Our vacuum decay computation reproduces and improves bounds on the maximal inflationary Hubble scale previously computed through statistical techniques.

23 pages, 5 figures; references added, matches version published in JHEP

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• Gravitational Waves from Fundamental Axion Dynamics
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• Black Holes, Oscillating Instantons, and the Hawking-Moss transition
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• Electroweak Vacuum Metastability and Low-scale Inflation
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• Higgs field in cosmology
• Planckian discreteness as seeds for cosmic structure
• Gravity-improved metastability bounds for the Type-I Seesaw Mechanism
• Domain walls in the extensions of the Standard Model
• Eternal Inflation and Reheating in the Presence of the Standard Model Higgs Field
• Renormalization group flows and fixed points for a scalar field in curved space with nonminimal $F(\varphi )R$ coupling
• A landscape for the cosmological constant and the Higgs mass
• Instability of the Electroweak Vacuum in Starobinsky Inflation
• Higgs chameleon
• Quantum and Gradient Corrections to False Vacuum Decay on a de Sitter Background
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• Benchmarking a fading window: electroweak baryogenesis in the C2HDM, LHC constraints after Run 2 and prospects for LISA
• Gravitational waves from the vacuum decay with LISA
• Constraints on Inflaton Higgs Field Couplings
• Exact solutions for Vacuum Decay in Unbounded Potentials
• Higgstory repeats itself
• The collider landscape: which collider for establishing the SM instability?