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.

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

References in corpus (2)

• Inflation models after WMAP year three
• Tachyonic Quintessential Inflation

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