Issues

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1995

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July

  

Special issue


Large-scale structure of the Universe. Analytic theory.

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Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

An analytical theory is developed of the nonlinear stage of the Jeans instability in a cold nondissipative gas in an expanding Universe. It is shown that the growth of this instability creates a giant dark-matter halo, of 200 kpc size, around galaxies. This halo has a density singularity described by ρ propto r, where α approx 1.7-1.9. A comparison is made of this analytic theory with the results of numerical simulations and a good agreement between them is demonstrated. Analytic dynamic solutions are used to develop a statistical method for calculation of the correlation functions of galaxies and galaxy clusters. The theory is compared with the available observational data. The physical consequences of the proposed theory are considered.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 98.80.Cq, 95.35.+d, 98.62.Ai (all)
DOI: 10.1070/PU1995v038n07ABEH000094
URL: https://ufn.ru/en/articles/1995/7/b/
Citation: Gurevich A V, Zybin K P "Large-scale structure of the Universe. Analytic theory." Phys. Usp. 38 687–722 (1995)
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Оригинал: Гуревич А В, Зыбин К П «Крупномасштабная структура Вселенной. Аналитическая теория» УФН 165 723–758 (1995); DOI: 10.3367/UFNr.0165.199507b.0723

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