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Tunneling potentials to nothing

J.J. Blanco-Pillado
(
- Basque U., Bilbao and
- IKERBASQUE, Bilbao
)
,
J.R. Espinosa
(
- Madrid, IFT
)
,
J. Huertas
(
- Madrid, IFT
)
,
K. Sousa
(
- Alcala de Henares U.
)

Nov 30, 2023

7 pages

Published in:

Phys.Rev.D 109 (2024) 8, 084057

Published: Apr 15, 2024

e-Print:

2311.18821 [hep-th]

DOI:

10.1103/PhysRevD.109.084057 (publication)

View in:

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Abstract: (APS)

The catastrophic decay of a spacetime with compact dimensions, via bubbles of nothing (BoNs), is probably a generic phenomenon. BoNs admit a four-dimensional description as singular Coleman–de Luccia bounces of the size modulus field, stabilized by some potential

V (ϕ)

. We apply the tunneling potential approach to this 4D description to provide a very simple picture of BoNs. Using it, we identify four different types of BoN, corresponding to different classes of higher-dimensional theories. We also identify 4D theories featuring a new type of quenching of BoN decay, which may be present even for dS vacua, and discuss the viability of embedding such models in a higher-dimensional theory. The present approach allows us to treat in a single framework BoN nucleation and other decay channels, and we study the interplay between the different nonperturbative instabilities comparing their decay rates.

Note:

7 pages

space-time: decay
tunneling
quenching
bounce
higher-dimensional
stability
bubble

References(28)

Figures(5)

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