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arXiv · 2606.23624

Semiclassical decay of de Sitter space into black holes with vortex-deformed horizons

Andrés Gomberoff·Carla Henríquez-Baez·Aldo Vera
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Abstract

We study the decay of de Sitter space into black holes whose horizons are dressed by BPS vortices of a $\mathrm{CP}^1$ action. The process is mediated by a regular Euclidean instanton obtained as a vortex-deformed generalization of the Nariai instanton. Its Euclidean geometry has the form $S^2\times\Sigma$, where $\Sigma$ is a compact surface whose geometry is shaped by the vortex configuration. The resulting decay rates are controlled by a discrete topological charge, showing that matter vortices open a new topologically organized family of decay channels for de Sitter space.

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Andrés Gomberoff, Carla Henríquez-Baez, Aldo Vera. 2026-06-22. Semiclassical decay of de Sitter space into black holes with vortex-deformed horizons. https://arxiv.org/abs/2606.23624

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