Cosmological signatures of tilted isocurvature perturbations: reionization and 21cm fluctuations

Journal Article · Sat Mar 01 04:00:00 EST 2014 · Journal of Cosmology and Astroparticle Physics

DOI:https://doi.org/10.1088/1475-7516/2014/03/001· OSTI ID:22370669

Sekiguchi, Toyokazu; Sugiyama, Naoshi ^[1]; Tashiro, Hiroyuki ^[2]; Silk, Joseph ^[3]

Department of Physics and Astrophysics, Nagoya University, Furocho, Chikusaku, Nagoya, 464-8602 (Japan)
Physics department, Arizona State Univiersity, 650 E. Tyler Mall, Tempe, AZ, 85287 (United States)
Institut d'Astrophysique, UMR 7095 CNRS, Université Pierre et Marie Curie, 98bis Blvd Arago, Paris, 75014 (France)

We investigate cosmological signatures of uncorrelated isocurvature perturbations whose power spectrum is blue-tilted with spectral index 2∼

Journal Information:: Journal of Cosmology and Astroparticle Physics, Journal Name: Journal of Cosmology and Astroparticle Physics Journal Issue: 03 Vol. 2014; ISSN 1475-7516

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