The Volkov–Akulov–Starobinsky supergravity
By I. Antoniadis, E. Dudas, Sergio Ferrara, A. Sagnotti. 2014
251 citations recorded by the source corpus.
Abstract We construct a supergravity model whose scalar degrees of freedom arise from a chiral superfield and are solely a scalaron and an axion that is very heavy during the inflationary phase. The model includes a second chiral superfield X , which is subject however to the constraint X 2 = 0 so that it describes only a Volkov–Akulov goldstino and an auxiliary field. We also construct the dual higher-derivative model, which rests on a chiral scalar curvature superfield R subject to the constraint R 2 = 0 , where the goldstino dual arises from the gauge-invariant gravitino field strength as γ m n D m ψ n . The final bosonic action is an R + R 2 theory involving an axial vector A m that only propagates a physical pseudoscalar mode.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/35ce42411c66435031da2a470d30f7a687e834aa
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Citations in the corpus
- α-attractors: Planck, LHC and dark energy (2015, methodology): “1 This new approach to generic SUSY breaking was suggested recently in [3] using generic supergravity models including the inflaton multiplet as well as a nilpotent multiplet [23].”
- D3¯\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \overline{\mathrm{D}3} $$\end{document} and dS (2015, unknown): “The interest in the Volkov-Akulov supersymmetry [14] was renewed recently because of its application to cosmology which started in [21].”
- Pure de Sitter supergravity (2015, background): “6) in [19] where the first supergravity model of this kind was presented.”
- Cosmology with nilpotent superfields (2014, methodology): “In the special case of this model at α = 1 and F (T ) = a + bT , which leads to Starobinsky model of inflation, it was was shown in [21] how to switch from the unconstrained C to a nilpotent one.”
- On sgoldstino-less supergravity models of inflation (2014, methodology): “This model, proposed by Antoniadis, Dudas, Ferrara and Sagnotti in [18], was indeed the first to combine the nilpotent multiplet S with the inflaton multiplet Φ, and is defined by:”
- Emergence of spontaneously broken supersymmetry on an anti-D3-brane in KKLT dS vacua (2014, background): “In [7, 8] we referred to the well known argument [20, 23] that a Dp-brane action, when gauge-fixed in a certain gauge, always leads to a DBI term which has Volkov-Akulov fermions on its world volume.”
- Inflation and uplifting with nilpotent superfields (2014, methodology): “The idea, which was first first outlined in [5] in the context of the Starobinsky model, is to use the Volkov-Akulov mechanism of a nonlinear realization of supersymmetry [6], which allows to have supersymmetry without fundamental scalars.”