Padmanabhan, T. ; Subramanian, K. (1993) Zel'dovich approximation and the probability distribution for the smoothed density field in the nonlinear regime The Astrophysical Journal, 410 (2). pp. 482-487. ISSN 0004-637X
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Official URL: http://adsabs.harvard.edu/cgi-bin/nph-data_query?b...
Related URL: http://dx.doi.org/10.1086/172764
Abstract
The study of large-scale structures in the universe is often based on the observed density distribution of matter smoothed by a suitable filter function. The probability distribution for this smoothed density field in the nonlinear regime is studied using the Zel'dovich approximation. When the shear term of the velocity field is not too large, one can obtain a reasonably good analytic approximation to this probability distribution. The properties of this distribution are discussed and compared with other attempts along similar lines.
| Item Type: | Article |
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| Source: | Copyright of this article belongs to The American Astronomical Society. |
| ID Code: | 72479 |
| Deposited On: | 29 Nov 2011 05:28 |
| Last Modified: | 29 Nov 2011 05:28 |
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