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Constrained superfields in dynamical background

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Title
Constrained superfields in dynamical background
Author(s)
Shuntaro Aoki; Takahiro Terada
Publication Date
2022-02
Journal
Journal of High Energy Physics, v.2022, no.2
Publisher
Springer Science and Business Media Deutschland GmbH
Abstract
© 2022, The Author(s).We study the nonlinear realization of supersymmetry in a dynamical/cosmological background in which derivative terms like kinetic terms are finite. Starting from linearly realized theories, we integrate out heavy modes without neglecting derivative terms to obtain algebraic constraints on superfields. Thanks to the supersymmetry breaking contribution by the kinetic energy, the validity of constrained superfields can be extended to cosmological regimes and phenomena such as reheating after inflation, kinetic-energy domination, and the kinetic and standard misalignment of axion.
URI
https://pr.ibs.re.kr/handle/8788114/11260
DOI
10.1007/JHEP02(2022)177
ISSN
1126-6708
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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