On inflation, cosmological constant, and SUSY breaking

Abstract

We consider a broad class of inflationary models of two unconstrained chiral superfields, the stabilizer $S$ and the inflaton $\Phi$, which can describe inflationary models with nearly arbitrary potentials. These models include, in particular, the recently introduced theories of cosmological attractors, which provide an excellent fit to the latest Planck data. We show that by adding to the superpotential of the fields $S$ and $\Phi$ a small term depending on a nilpotent chiral superfield $P$ one can break SUSY and introduce a small cosmological constant without affecting main predictions of the original inflationary scenario.

arXiv comment5 pages, Introduction and Discussion expanded, the version to appear in JCAP

References in corpus (48)

• Planck 2015 results. XIII. Cosmological parameters
• The Standard Model Higgs boson as the inflaton
• Generating the curvature perturbation without an inflaton
• Adiabatic CMB perturbations in pre-big bang string cosmology
• Nongaussian Isocurvature Perturbations from Inflation
• Universality Class in Conformal Inflation
• Superconformal Inflationary $\alpha$-Attractors
• Cosmological Implications of Dynamical Supersymmetry Breaking
• A new mechanism for generating density perturbations from inflation
• Supersymmetry Breaking in the Early Universe
• Natural Chaotic Inflation in Supergravity
• Minimal Supergravity Models of Inflation
• The Unity of Cosmological Attractors
• Superconformal Symmetry, NMSSM, and Inflation
• New models of chaotic inflation in supergravity
• Cosmology with Nilpotent Superfields
• General inflaton potentials in supergravity
• On the Starobinsky Model of Inflation from Supergravity
• Jordan Frame Supergravity and Inflation in NMSSM
• Multi-field Conformal Cosmological Attractors
• Large Field Inflation and Double $\alpha$-Attractors
• Probing String Theory with Modulated Cosmological Fluctuations
• Planck, LHC, and $\alpha$-attractors
• The Hyperbolic Geometry of Cosmological Attractors
• Beginning inflation in an inhomogeneous universe
• Single-field $\alpha$-attractors
• Escher in the Sky
• Cosmological Attractors from $\alpha$-Scale Supergravity
• Cosmological Attractor Models and Higher Curvature Supergravity
• Strong moduli stabilization and phenomenology
• On the origin of constrained superfields
• Analytic Classes of Metastable de Sitter Vacua
• Does the first chaotic inflation model in supergravity provide the best fit to the Planck data?
• Cosmology with orthogonal nilpotent superfields
• Cosmological Attractors and Asymptotic Freedom of the Inflaton Field
• String Theory Origin of Constrained Multiplets
• Natural Inflation in Supergravity and Beyond
• String Theory Realizations of the Nilpotent Goldstino
• Inflatino-less Cosmology
• Constrained superfields from an anti-D3-brane in KKLT
• Cosmological $\alpha$-Attractors and de Sitter Landscape
• Minimal $R+R^2$ Supergravity Models of Inflation Coupled to Matter
• Supercurvaton
• SUSY breaking after inflation in supergravity with inflaton in a massive vector multiplet
• Viable Chaotic Inflation as a Source of Neutrino Masses and Leptogenesis
• INFLATION VERSUS THE COSMOLOGICAL MODULI PROBLEM
• On SUSY Restoration in Single-Superfield Inflationary Models of Supergravity
• Illustrating SUSY breaking effects on various inflation mechanisms

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• Gravitino and Polonyi production in supergravity
• Higgs mechanism and cosmological constant in $N=1$ supergravity with inflaton in a vector multiplet
• Sgoldstino-less inflation and low energy SUSY breaking
• The $R$-parity Violating Decays of Charginos and Neutralinos in the B-L MSSM
• Sneutrino driven GUT Inflation in Supergravity
• Probing the Supersymmetry-Mass Scale With F-term Hybrid Inflation
• (Super)Universal Attractors and the de Sitter Vacua in String Landscape
• The Super-Stuckelberg procedure and dS in Pure Supergravity
• SUSY-Breaking Scenarios With a Mildly Violated R Symmetry
• From Minkowski to de Sitter Vacua with Various Geometries
• Aspects of gauged R-symmetry in SU(1,1)/U(1) supergravity
• Noether Supercurrents, Supergravity and Broken Supersymmetry