Moduli-Induced Vacuum Destabilisation

Details Moduli-Induced Vacuum Destabilisation Moduli-Induced Vacuum Destabilisation

2010-10-13

arxiv.org/abs/1010.2665v1

JHEP 1105:079,2011

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 12 figures

Scientific paper

10.1007/JHEP05(2011)079

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.

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