Catalytic creation of baby bubble universe with small positive cosmological constant

Issei Koga, Yutaka Ookouchi

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

We investigate the decay of metastable de Sitter, Minkowski and anti-de Sitter vacua catalyzed by a black hole and a cloud of strings. We apply the method to the creation of the four dimensional bubble universe in the five dimensional anti-de Sitter spacetime recently proposed by Banerjee, Danielsson, Dibitetto, Giri and Schillo [1, 2]. We study the bounce action for the creation and find that the bubble with very small cosmological constant, of order Λ(4)/M44∼ 10−120, is favored by the catalysis by assuming appropriate mass scales of the black hole and the cloud of strings to reproduce the present energy densities of matter and radiation in the bubble universe.

本文言語英語
論文番号281
ジャーナルJournal of High Energy Physics
2019
10
DOI
出版ステータス出版済み - 10 1 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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