The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Resolving the Structure of Cold Dark Matter Halos
Open accessAbstract
We examine the effects of mass resolution and force softening on the density profiles of cold dark matter halos that form within cosmological N -body simulations. As we increase the mass and force resolution, we resolve progenitor halos that collapse at higher redshifts and have very high densities. At our highest resolution we have nearly 3 × 10 6 particles within the virial radius, which is several orders of magnitude more than previously used, and we can resolve more than 1000 surviving dark matter halos within this single virialized system. The halo profiles become steeper in the central regions, and we may not have achieved convergence to a unique slope within the inner 10% of the virialized region. Results from two very high resolution halo simulations yield steep inner density profiles, ρ( r )~ r −1.4 . The abundance and properties of arcs formed within this potential will be different from calculations based on lower resolution simulations. The kinematics of disks within such a steep potential may prove problematic for the cold dark matter model when compared with the observed properties of halos on galactic scales.
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Citations
Cites
The Structure of Cold Dark Matter Halos
Navarro, J. F., Frenk, C. S., & White, S. D. M. (1996) · The Astrophysical Journal · doi:10.1086/177173 · Cited by 8,544
Cited by
Bennett, C. L., Halpern, M., Hinshaw, G., Jarosik, N., Kogut, A., Limon, M., Meyer, S. S., Page, L., Spergel, D. N., Tucker, G. S., et al. (2003) · The Astrophysical Journal Supplement Series · doi:10.1086/377253 · Cited by 4,860
Observational Evidence for Self-Interacting Cold Dark Matter
Spergel, D. N., & Steinhardt, P. J. (2000) · Physical Review Letters · doi:10.1103/physrevlett.84.3760 · Cited by 2,097
Cole, S., Lacey, C. G., Baugh, C. M., & Frenk, C. S. (2002) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2000.03879.x · Cited by 1,952
Gnedin, O. Y., Kravtsov, A. V., Klypin, A. A., & Nagai, D. (2004) · The Astrophysical Journal · doi:10.1086/424914 · Cited by 945
Triaxial Modeling of Halo Density Profiles with High‐Resolution N‐Body Simulations
Jing, Y. P., & Suto, Y. (2002) · The Astrophysical Journal · doi:10.1086/341065 · Cited by 855
Metadata
- Authors
- Moore, B., Governato, F., Quinn, T., Stadel, J., & Lake, G.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1998-05-20
- Volume
- 499
- Issue
- 1
- Pages
- L5-L8
- ISSN
- 0004-637X (ISSN-L)
- OpenAlex
- W2075280515
- Cited by
- 898
- References
- 1
- FWCI
- 44.77
- Type
- journal article
- Language
- en
- Open access
- bronze
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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