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High Energy Physics - Theory

arXiv:2111.04511 (hep-th)
[Submitted on 8 Nov 2021 (v1), last revised 21 Feb 2022 (this version, v2)]

Title:Constrained Superfields in Dynamical Background

Authors:Shuntaro Aoki, Takahiro Terada
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Abstract: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.
Comments: 34 pages; published version
Subjects: High Energy Physics - Theory (hep-th); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph)
Report number: CTPU-PTC-21-38
Cite as: arXiv:2111.04511 [hep-th]
  (or arXiv:2111.04511v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.2111.04511
Journal reference: JHEP 02 (2022) 177
Related DOI: https://doi.org/10.1007/JHEP02%282022%29177

Submission history

From: Takahiro Terada [view email]
[v1] Mon, 8 Nov 2021 13:51:37 UTC (32 KB)
[v2] Mon, 21 Feb 2022 14:49:06 UTC (33 KB)
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