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The Spectrum of Density Perturbations in an Expanding Universe

Published online by Cambridge University Press:  07 February 2017

Joseph Silk
Joseph Silk*
Affiliation:
Astronomy Dept., University of California, Berkeley, Calif., U.S.A.

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Perhaps the most challenging problem confronting a cosmologist is to reconcile the observed large-scale structure of the Universe with the Friedmann-Lemaître cosmological models that have gained such widespread acceptance in recent years (cf. however the alternative viewpoint, as exemplified in this Symposium by Arp and others). In this review, I shall look anew at the spectrum of density inhomogeneities that survive decoupling of matter and radiation at z ~ 1000 and provide the primordial fluctuations that can eventually generate galaxies. A closely related matter, that of the associated fluctuations in the background radiation, is discussed elsewhere in this volume by Doroshkevich, Sunyaev and Zel'dovich.

Type
Part III: Relic Radiation
Information
Symposium - International Astronomical Union , Volume 63: Confrontation of Cosmological Theories , 1974 , pp. 175 - 193
Copyright
Copyright © Reidel 1974 

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