Inflation from Quantum Geometry

Martin Bojowald
Phys. Rev. Lett. 89, 261301 – Published 12 December 2002

Abstract

Quantum geometry predicts that a universe evolves through an inflationary phase at small volume before exiting gracefully into a standard Friedmann phase. This does not require the introduction of additional matter fields with ad hoc potentials; rather, it occurs because of a quantum gravity modification of the kinetic part of ordinary matter Hamiltonians. An application of the same mechanism can explain why the present day cosmological acceleration is so tiny.

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  • Received 18 June 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.261301

©2002 American Physical Society

Authors & Affiliations

Martin Bojowald*

  • Center for Gravitational Physics and Geometry, The Pennsylvania State University, 104 Davey Lab, University Park, Pennsylvania 16802

  • *Email address: bojowald@gravity.psu.edu

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Issue

Vol. 89, Iss. 26 — 23 December 2002

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