Reheating the universe once more: the dissipation of acoustic waves as a novel probe of primordial inhomogeneities on even smaller scales

Reheating the universe once more: the dissipation of acoustic waves as a novel probe of primordial inhomogeneities on even smaller scales

We provide a simple but robust bound on the primordial curvature perturbation in the range 10(4)  Mpc(-1)

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Veröffentlicht in:Physical review letters 2014-08, Vol.113 (6), p.061302-061302, Article 061302
Hauptverfasser: Nakama, Tomohiro, Suyama, Teruaki, Yokoyama, Jun'ichi
Format: Artikel
Sprache:eng
Schlagworte:
Acoustics
Curvature
Dissipation
Heating
Mathematical analysis
Oscillations
Perturbation
Reheating
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Beschreibung
Zusammenfassung:We provide a simple but robust bound on the primordial curvature perturbation in the range 10(4)  Mpc(-1)
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.113.061302