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Dynamics of Voids and Clusters and Fluctuations in the Cosmic Background Radiation

Published online by Cambridge University Press:  04 August 2017

E. E. Salpeter
E. E. Salpeter*
Affiliation:
Cornell University, Ithaca, NY, USA

Extract

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I want to “make propaganda” for some calculations carried out at Cornell; a detailed paper is available on this work (Hoffman, Salpeter and Wasserman 1982, hereafter HSW), so I only summarize it briefly (Sect. 2) and concentrate mainly on implications. Like previous work by Peebles (1982) and by Occhionero et al (1982), these calculations use spherically symmetric models without dissipation for the dynamical development of large voids and galaxy clusters (and superclusters) from small underdensities and overdensities, respectively, at the recombination era. We now know how this development depends on various parameters and on the asymmetries between over- and under-densities. I discuss conjectures for more complex geometries in Sect. 3.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 104: Early Evolution of the Universe and Its Present Structure , 1983 , pp. 211 - 216
Copyright
Copyright © Reidel 1983 

References

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