Moduli-Induced Vacuum Destabilisation

Abstract

We look for ways to destabilise the vacuum. We describe how dense matter environments source a contribution to moduli potentials and analyse the conditions required to initiate either decompactification or a local shift in moduli vevs. We consider astrophysical objects such as neutron stars as well as cosmological and black hole singularities. Regrettably neutron stars cannot destabilise realistic Planck coupled moduli, which would require objects many orders of magnitude denser. However gravitational collapse, either in matter-dominated universes or in black hole formation, inevitably leads to a destabilisation of the compact volume causing a super-inflationary expansion of the extra dimensions.

21 pages, 12 figures

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Cited by in corpus (12)

• Tests of Chameleon Gravity
• Ultra-light Axions: Degeneracies with Massive Neutrinos and Forecasts for Future Cosmological Observations
• Stability, Tunneling and Flux Changing de Sitter Transitions in the Large Volume String Scenario
• The Axiverse Extended: Vacuum Destabilisation, Early Dark Energy and Cosmological Collapse
• Extended LCDM: generalized non-minimal coupling for dark matter fluids
• Cosmology of Axions and Moduli: A Dynamical Systems Approach
• Dynamics of Supersymmetric Chameleons
• Charged black holes in string-inspired gravity: I. Causal structures and responses of the Brans-Dicke field
• SUPER-Screening
• On the Effective Description of Large Volume Compactifications
• Black hole factory: a review of double-null formalism
• Moduli destabilization via gravitational collapse