Fillmore, James A. and Goldreich, Peter (1984) Self-similar spherical voids in an expanding universe. Astrophysical Journal, 281 (1). pp. 9-12. ISSN 0004-637X. https://resolver.caltech.edu/CaltechAUTHORS:20130312-110011572
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Abstract
We derive similarity solutions which describe the evolution of spherically symmetric voids in a perturbed Einstein-de Sitter universe filled with cold, collisionless matter. The character of a solution depends upon the profile of the initial density deficit. Gradual perturbations give rise to holes within which the density rises smoothly to the background value. Steep perturbations result in voids bounded by overdense shells with sharp edges, i.e., collisionless gravitational shocks.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1984 American Astronomical Society. Received 1983 October 24; accepted 1983 December 5. J. A. F. would like to thank James Binney for a helpful discussion. Support for this research was provided by the National Science Foundation through a graduate fellowship to J. A. F. and through grant 80-20005. | |||||||||
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| Subject Keywords: | cosmology, relativity | |||||||||
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| Issue or Number: | 1 | |||||||||
| Record Number: | CaltechAUTHORS:20130312-110011572 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130312-110011572 | |||||||||
| Official Citation: | Self-similar spherical voids in an expanding universe Fillmore, J. A. & Goldreich, P. Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 281, June 1, 1984, p. 9-12 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 37468 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 12 Mar 2013 18:14 | |||||||||
| Last Modified: | 03 Oct 2019 04:48 |
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