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Kenji Kadota
순수물리이론 연구단
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Gravitational waves from domain walls in the next-to-minimal supersymmetric standard model

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Title
Gravitational waves from domain walls in the next-to-minimal supersymmetric standard model
Author(s)
Kenji Kadota; Kawasaki, M.; Saikawa, K.
Publication Date
2015-10
Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, v.2015, no.10, pp.041 -
Publisher
IOP PUBLISHING LTD
Abstract
The next-to-minimal supersymmetric standard model predicts the formation of domain walls due to the spontaneous breaking of the discrete Z3-symmetry at the electroweak phase transition, and they collapse before the epoch of big bang nucleosynthesis if there exists a small bias term in the potential which explicitly breaks the discrete symmetry. Signatures of gravitational waves produced from these unstable domain walls are estimated and their parameter dependence is investigated. It is shown that the amplitude of gravitational waves becomes generically large in the decoupling limit, and that their frequency is low enough to be probed in future pulsar timing observations
URI
https://pr.ibs.re.kr/handle/8788114/1860
ISSN
1475-7516
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
Files in This Item:
1503.06998_Kenji Kadota.pdfDownload

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