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Entropy production by domain wall decay in the NMSSM

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Title: Entropy production by domain wall decay in the NMSSM
Authors: Hattori, Hironori Browse this author
Kobayashi, Tatsuo Browse this author
Omoto, Naoya Browse this author
Seto, Osamu Browse this author →KAKEN DB
Issue Date: 24-Nov-2015
Publisher: American Physical Society (APS)
Journal Title: Physical review D
Volume: 92
Issue: 10
Start Page: 103518
Publisher DOI: 10.1103/PhysRevD.92.103518
Abstract: We consider domain walls in the Z(3) symmetric next-to-minimal supersymmetric standard model. The spontaneous Z(3) discrete symmetry breaking produces domain walls, and the stable domain walls are problematic. Thus, we assume the Z(3) symmetry is slightly but explicitly broken and the domain walls decay. Such a decay causes a large late-time entropy production. We study its cosmological implications on unwanted relics such as the moduli, gravitino, lightest superparticle, and axion.
Rights: ©2016 American Physical Society
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小林 達夫

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