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https://dspace.iiti.ac.in/handle/123456789/3781
| Title: | Gravitational collapse and structure formation in an expanding universe |
| Authors: | Sandhu, Pritpal Kaur |
| Issue Date: | 2015 |
| Publisher: | Springer India |
| Citation: | Bagla, J. S., & Sandhu, P. K. (2015). Gravitational collapse and structure formation in an expanding universe. Resonance, 20(9), 803-815. doi:10.1007/s12045-015-0239-7 |
| Abstract: | We use Newtonian formalism to motivate the form of Friedmann equations that describe the expansion of the universe in the standard cosmological model. We use the same formalism to study the evolution of density perturbations in the universe. We show that a simple model like spherical collapse can be used to estimate the characteristics of halos of galaxies and clusters of galaxies. © 2015, Indian Academy of Sciences. |
| URI: | https://doi.org/10.1007/s12045-015-0239-7 https://dspace.iiti.ac.in/handle/123456789/3781 |
| ISSN: | 0971-8044 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Astronomy, Astrophysics and Space Engineering |
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