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Local density maxima - Progenitors of structure
Abstract
Beginning with a short review of the observational data and of some previous theoretical ideas and numerical simulations, the question is addressed of how the large-scale structure that emerges around local density maxima depends on the nature of the primordial density perturbations field. The density contrast profile around local maxima is given, to a good approximation, by the primordial two-point correlation function. The mean number density of objects of a given core mass is calculated as a function of the primordial power spectrum, p(k). In an open universe, rich clusters should have halos steeper than galactic haloes. The observed structure is found to be consistent with omega-sub-zero less than 1.0 and n = -1.
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Citations
Cited by
A Universal Density Profile from Hierarchical Clustering
Navarro, J. F., Frenk, C. S., & White, S. D. M. (1997) · The Astrophysical Journal · doi:10.1086/304888 · Cited by 9,917
Kravtsov, A. V., & Borgani, S. (2012) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081811-125502 · Cited by 870
Desjacques, V., Jeong, D., & Schmidt, F. (2018) · Physics Reports · doi:10.1016/j.physrep.2017.12.002 · Cited by 817
The Density Profiles of the Dark Matter Halo Are Not Universal
Jing, Y. P., & Suto, Y. (2000) · The Astrophysical Journal · doi:10.1086/312463 · Cited by 423
Metadata
- Authors
- Hoffman, Y., & Shaham, J.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1985-10
- Volume
- 297
- Pages
- 16
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1983113556
- Cited by
- 203
- References
- 0
- FWCI
- 3.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Local density maxima - Progenitors of structure. https://app.cochat.ai/papers/10.1086/163498
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- Hoffman, Y., & Shaham, J. (1985). Local density maxima - Progenitors of structure. The Astrophysical Journal. https://doi.org/10.1086/163498
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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