Behaviors of two supersymmetry breaking scales in N = 2 supergravity

Hiroyuki Abe, Shuntaro Aoki, Sosuke Imai, Yutaka Sakamura

研究成果: Article

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We study the supersymmetry breaking patterns in four-dimensional N = 2 gauged supergravity. The model contains multiple (Abelian) vector multiplets and a single hypermultiplet which parametrizes SO(4, 1)/SO(4) coset. We derive the expressions of two gravitino masses under general gaugings and prepotential based on the embedding tensor formalism, and discuss their behaviors in some concrete models. Then we confirm that in a single vector multiplet case, the partial breaking always occurs when the third derivative of the prepotential exists at the vacuum, which is consistent with the result of ref. [1], but we can have several breaking patterns otherwise. The discussion is also generalized to the case of multiple vector multiplets, and we found that the full (N = 0) breaking occurs even if the third derivative of the prepotential is nontrivial.

元の言語English
記事番号101
ジャーナルJournal of High Energy Physics
2019
発行部数11
DOI
出版物ステータスPublished - 2019 11 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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