NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Secondary ionization in a flat universeWe analyze the effect of a secondary ionization on the evolution of temperature fluctuations in cosmic background radiation. The main results presented in this paper are appropriate analytic expressions of the transfer function relating temperature fluctuations to matter density perturbations at recombination for all possible recombination histories. Furthermore, we particularize our calculation to the standard cold dark matter model, where we study the erasure of primordial temperature fluctuations and calculate the magnitude and angular scale of the damping induced by a late recombination.
Document ID
19950035596
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Atrio-Barandela, F.
(Facultad de Ciencias Salamanca, Spain)
Doroshkevich, A. G.
(Keldysh Institute of Applied Mathematics Moscow, Russia)
Date Acquired
August 16, 2013
Publication Date
January 1, 1994
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 420
Issue: 1
ISSN: 0004-637X
Subject Category
Space Radiation
Accession Number
95A67195
Funding Number(s)
CONTRACT_GRANT: NAG8-699
CONTRACT_GRANT: NAG8-181
CONTRACT_GRANT: NSF AST-90-05038
CONTRACT_GRANT: NAS5-30934
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available