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Goldstino condensation?

Kallosh, Renata ; Linde, Andrei ; Wrase, Timm ; Yamada, Yusuke

The journal of high energy physics, 2022-08, Vol.2022 (8), p.166-29, Article 166 [Periódico revisado por pares]

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Título:
Goldstino condensation?
Autor: Kallosh, Renata ; Linde, Andrei ; Wrase, Timm ; Yamada, Yusuke
Assuntos: Approximation ; Classical and Quantum Gravitation ; D-Branes ; Elementary Particles ; High energy physics ; Lagrange multiplier ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Regular Article - Theoretical Physics ; Relativity Theory ; String Theory ; Supergravity ; Supergravity Models ; Supersymmetry ; Supersymmetry Breaking
É parte de: The journal of high energy physics, 2022-08, Vol.2022 (8), p.166-29, Article 166
Descrição: A bstract It was argued in [1] that the Volkov-Akulov (VA) model as well as similar models in supergravity and the related KKLT model in string theory, suffer from tachyonic instabilities due to goldstino condensation. The authors of [1] constructed a specific model with two unconstrained interacting chiral superfields with linearly realized supersymmetry which has an unstable vacuum. They claimed that this model becomes equivalent to the VA model in the UV limit. We show that the UV limit of their model is discontinuous, and the vacuum instability of the model proposed in [1] is not relevant to the VA model, to related models in supergravity, and to the KKLT construction.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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