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dc.contributor.author | Zakharov A. | |
dc.date.accessioned | 2018-09-17T21:15:51Z | |
dc.date.available | 2018-09-17T21:15:51Z | |
dc.date.issued | 1997 | |
dc.identifier.issn | 1064-8887 | |
dc.identifier.uri | https://dspace.kpfu.ru/xmlui/handle/net/134756 | |
dc.description.abstract | Gravitational perturbations in the expanding universe are analyzed within the framework of Newtonian cosmology. In contrast to classical work, the perturbations are found not in a Fourier but in a coordinate representation. This makes it possible to obtain general expressions for finding the distributions of perturbations in the density and velocity of matter as a function of the coordinates and time from the known distribution at the initial time. In the simplest cases of plane-symmetric and spherically symmetric distributions, analytical equations are obtained for density perturbations as a function of the coordinates and time. The final conclusion is that it is possible for gravitational perturbations to grow even when the characteristic size of a perturbation is less than the Jeans wavelength. © 1997 Plenum Publishing Corporation. | |
dc.relation.ispartofseries | Russian Physics Journal | |
dc.title | Gravitational perturbations in the expanding universe in a coordinate representation | |
dc.type | Article | |
dc.relation.ispartofseries-issue | 3 | |
dc.relation.ispartofseries-volume | 40 | |
dc.collection | Публикации сотрудников КФУ | |
dc.relation.startpage | 256 | |
dc.source.id | SCOPUS10648887-1997-40-3-SID53249156528 |