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Symmetry restoration and vacuum decay from accretion around black holes (2403.17595v1)

Published 26 Mar 2024 in gr-qc, astro-ph.CO, and hep-ph

Abstract: Vacuum decay and symmetry breaking play an important role in the fundamental structure of the matter and the evolution of the universe. In this work we study how the purely classical effect of accretion of fundamental fields onto black holes can lead to shells of symmetry restoration in the midst of a symmetry broken phase. We also show how it can catalyze vacuum decay, forming a bubble that expands asymptotically at the speed of light. These effects offer an alternative, purely classical mechanism to quantum tunnelling for seeding phase transitions in the universe.

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