Sequestering effects on and of vacuum decay

Kaloper, Nemanja and Padilla, Antonio and Stefanyszyn, David (2016) Sequestering effects on and of vacuum decay. Physical Review D, 94 . 25022/1-25022/16. ISSN 2470-0029

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We consider phase transitions and their contributions to vacuum energy in the manifestly local theory of vacuum energy sequestering. We demonstrate that the absence of instabilities imposes constraints on the couplings of gravitating and nongravitating sectors, which can be satisfied in a large class of models. We further show by explicit construction that the vacuum energy contributions to the effective cosmological constant in the descendant vacua are generically strongly suppressed by the ratios of space-time volumes of parent and descendant geometries. This means that the cosmological constant in de Sitter descendant vacua remains insensitive to phase transitions which may have occurred in the course of its cosmic history.

Item Type: Article
Additional Information: © 2016 American Physical Society
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number:
Depositing User: Padilla, Antonio
Date Deposited: 21 Dec 2016 11:17
Last Modified: 04 May 2020 18:01

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