Single-field $\alpha$-attractors

Abstract

I describe a simple class of $\alpha$-attractors, generalizing the single-field GL model of inflation in supergravity. The new class of models is defined for $0<\alpha \lesssim 1$, providing a good match to the present cosmological data. I also present a generalized version of these models which can describe not only inflation but also dark energy and supersymmetry breaking.

3 pages

References in corpus (25)

• Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Parameter Results
• Universality Class in Conformal Inflation
• Superconformal Inflationary $\alpha$-Attractors
• Minimal Supergravity Models of Inflation
• The Unity of Cosmological Attractors
• A universal attractor for inflation at strong coupling
• Cosmology with Nilpotent Superfields
• The Minimal Volkov - Akulov - Starobinsky Supergravity
• Multi-field Conformal Cosmological Attractors
• Large Field Inflation and Double $\alpha$-Attractors
• Planck, LHC, and $\alpha$-attractors
• Escher in the Sky
• Cosmological Attractors from $\alpha$-Scale Supergravity
• On sgoldstino-less supergravity models of inflation
• Inflation and Uplifting with Nilpotent Superfields
• Cosmological Attractor Models and Higher Curvature Supergravity
• Study of the kinematic dependences of ${\Lambda }_b^0$ production in $pp$ collisions and a measurement of the ${\Lambda }_b^0\to {\Lambda }_c^{+}{\pi }^{-}$ branching fraction
• Does the first chaotic inflation model in supergravity provide the best fit to the Planck data?
• Measurement of the production cross section of prompt J/psi mesons in association with a W boson in pp collisions at sqrt{s}=7 TeV with the ATLAS detector
• Inflation in Supergravity with a Single Chiral Superfield
• Inflation, de Sitter Landscape and Super-Higgs effect
• Measurements of the $B^{+}$, $B^0$, $B_s^0$ meson and ${\Lambda }_b^0$ baryon lifetimes
• Generic Scalar Potentials for Inflation in Supergravity with a Single Chiral Superfield
• Inflation in no-scale supergravity
• Inflation and Dark Energy with a Single Superfield

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• Quintessential $\alpha$-attractor inflation: forecasts for Stage IV galaxy surveys
• Minimal $k$-inflation in light of the conformal metric-affine geometry
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• Nonthermal Gravitino Production after Large Field Inflation
• Inflationary $\alpha$-attractor cosmology: A global dynamical systems perspective
• Mechanism of primordial black holes production and secondary gravitational waves in $\alpha$-attractor Galileon inflationary scenario
• $\alpha$ attractors in Quintessential Inflation motivated by Supergravity
• Primordial black holes and induced gravitational waves from double-pole inflation
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• Increase of $n_s$ in regularized pole inflation & Einstein-Cartan gravity
• Phenomenology and Cosmology of No-Scale Attractor Models of Inflation
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• Minimal Supergravity Inflation without Slow Gravitino
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• Gravitino Problem in Inflation Driven by Inflaton-Polonyi Kähler Coupling
• An Alternative Framework for E-Model Inflation in Supergravity
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• Attractor Models in Scalar-Tensor Theories of Inflation
• Swampland Constraints on No-Boundary Quantum Cosmology
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• Cosmic inflation from broken conformal symmetry
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• Revisiting cosmological diffusion models in Unimodular Gravity and the $H_0$ tension
• $F$-term Multi-Field Inflation in Supergravity without Stabiliser Superfields
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• Inflationary attractors from a non-canonical kinetic term
• Generic no-scale inflation inspired from string theory compactifications
• Inflation from a generalized exponential plateau: towards extra suppressed tensor-to-scalar ratios
• Model-independent constraints on inflation and reheating