Jordan frame supergravity and inflation in the NMSSM
By Sergio Ferrara, R. Kallosh, Andrei Linde, Alessio Marrani, A. Proeyen. 2010
201 citations recorded by the source corpus.
We present a complete explicit N=1, d=4 supergravity action in an arbitrary Jordan frame with non-minimal scalar-curvature coupling of the form $\Phi(z, \bar z)\, R$. The action is derived by suitably gauge-fixing the superconformal action. The theory has a modified Kaehler geometry, and it exhibits a significant dependence on the frame function $\Phi (z, \bar z)$ and its derivatives over scalars, in the bosonic as well as in the fermionic part of the action. Under certain simple conditions, the scalar kinetic terms in the Jordan frame have a canonical form. We consider an embedding of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) gauge theory into supergravity, clarifying the Higgs inflation model recently proposed by Einhorn and Jones. We find that the conditions for canonical kinetic terms are satisfied for the NMSSM scalars in the Jordan frame, which leads to a simple action. However, we find that the gauge singlet field experiences a strong tachyonic instability during inflation in this model. Thus, a modification of the model is required to support the Higgs-type inflation.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/aec9c87769960deba12738b291b9669dac2dde3c
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Astronomy and Astrophysics
- Andrei Linde
- R. Kallosh
- Sergio Ferrara
- Alessandro Strumia
- A. Proeyen
- G. Giudice
- Alessio Marrani
- J. Espinosa
In Nuclear and High Energy Physics
- Andrei Linde
- R. Kallosh
- Sergio Ferrara
- Alessandro Strumia
- A. Proeyen
- G. Giudice
- J. Espinosa
- Alessio Marrani
Citations in the corpus
- Inflationary Cosmology after Planck 2013 (2014, background): “A supersymmetric generalization of the Higgs inflation was found in [114, 115, 116, 117, 92, 118].”
- Stabilization of the electroweak vacuum by a scalar threshold effect (2012, background): “Although the unitarity cutoff during inflation could be larger than the one in the vacuum [51, 52], the perturbative expansion is still questionable and the very existence of an inflationary plateau beyond ΛSM is jeopardized.”
- Superconformal symmetry, NMSSM, and inflation (2010, methodology): “We argue that this inflationary model, as well as its NMSSM generalization proposed in [3] and developed in [1, 4], does not suffer from the problems related to the unitarity bound discussed in [15–18].”