4.5 Article

Density induced vacuum instability

Journal

SCIPOST PHYSICS
Volume 14, Issue 4, Pages -

Publisher

SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.14.4.071

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In this study, we investigate the influence of matter density effects on theories with a false ground state. Large and dense systems, such as stars, can disrupt a metastable minimum and facilitate the formation of bubbles of the true minimum. We derive the conditions for the formation of these bubbles and their confinement or escape to infinity. The latter case leads to a phase transition in the universe during star formation. We explore the phenomenological consequences of such seeded phase transitions.
We consider matter density effects in theories with a false ground state. Large and dense systems, such as stars, can destabilize a metastable minimum and allow for the formation of bubbles of the true minimum. We derive the conditions under which these bubbles form, as well as the conditions under which they either remain confined to the dense region or escape to infinity. The latter case leads to a phase transition in the universe at star formation. We explore the phenomenological consequences of such seeded phase transitions.

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