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.
Original language | English (US) |
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Journal | Physical review letters |
Volume | 89 |
Issue number | 26 |
DOIs | |
State | Published - 2002 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)