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Preheating with non-minimal kinetic terms

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posted on 2023-06-08, 18:13 authored by Hilary L Child, John T, Jr Giblin, Raquel H Ribeiro, David SeeryDavid Seery
We present the first 3+1-dimensional numerical simulations of scalar fields with non-minimal kinetic terms. As an example, we examine the existence and stability of preheating in the presence of a Dirac-Born-Infeld (DBI) inflaton coupled to a canonical matter field. The simulations represent the full non-linear theory in the presence of an expanding Universe. We show that parametric resonance in the matter field, along with self-resonance in the inflaton, repopulate the Universe with matter particles as efficiently as in traditional preheating.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Volume

111

Page range

051301-1-051301-5

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2014-09-08

First Open Access (FOA) Date

2014-09-08

First Compliant Deposit (FCD) Date

2014-09-07

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