Inflation, dark matter and dark energy in the string landscape

Abstract

We consider the conditions needed to unify the description of dark matter, dark energy and inflation in the context of the string landscape. We find that incomplete decay of the inflaton field gives the possibility that a single field is responsible for all three phenomena. By contrast, unifying dark matter and dark energy into a single field, separate from the inflaton, appears rather difficult.

arXiv comment4 pages RevTex4. Updated to include a toy model of reheating. Matches version accepted by Phys Rev Lett

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• WIMPflation
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• Scalar potentials out of canonical quantum cosmology
• Dynamical mechanism for ultra-light scalar Dark Matter
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• Dark Energy as Double N-Flation--Observational Predictions
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• Statefinder analysis of the superfluid Chaplygin gas model
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• Supersymmetric $\nu$-Inflaton Dark Matter
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• Cosmological viability of a double field unified model from warm inflation
• Testing the Dark Universe through the Layzer-Irvine Equation
• Physical Implications and Updated Observational Constraints of the PAge-like Unified Dark Fluid Model
• Cosmic Expansion via Axion-Induced Quintessence