Scientific article
Open access

CMB anisotropies caused by gravitational wages : a parameter study

Published inHelvetica physica acta, vol. 71, p. 445-457
Publication date1998

Anisotropies in the cosmic microwave background radiation due to gravity waves are investigated. An initial spectrum of gravity waves may have been induced during an epoch of inflation. We study the propagation of such a spectrum in a Friedmann background of hot and cold dark matter, radiation and (possibly) a cosmological constant. We finally calculate its imprint as anisotropies on the cosmic microwave background. We also take into account that massless particles can source gravity waves by their anisotropic stresses. We consider general mixed dark matter models with and without cosmological constant. For a given, scale invariant input spectrum of gravity waves, we determine the dependence of the resulting spectrum of CMB anisotropies on the different model parameters.

Citation (ISO format)
DURRER, Ruth, KAHNIASHVILI, Tina. CMB anisotropies caused by gravitational wages : a parameter study. In: Helvetica physica acta, 1998, vol. 71, p. 445–457.
Main files (1)
Article (Accepted version)
ISSN of the journal0018-0238

Technical informations

Creation02/26/2009 4:59:53 PM
First validation02/26/2009 4:59:53 PM
Update time03/14/2023 3:01:18 PM
Status update03/14/2023 3:01:18 PM
Last indexation10/31/2023 4:26:31 PM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack