Publication: Two-body relaxation in cold dark matter simulations
Two-body relaxation in cold dark matter simulations
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Diemand, J., Moore, B., Stadel, J., & Kazantzidis, S. (2004). Two-body relaxation in cold dark matter simulations. Monthly Notices of the Royal Astronomical Society, 348(3), 977–986. https://doi.org/10.1111/j.1365-2966.2004.07424.x
Abstract
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Abstract
N-body simulations of the hierarchical formation of cosmic structures suffer from the problem that the first objects to form always contain just a few particles. Although relaxation is not an issue for virialized objects containing millions of particles, collisional processes will always dominate within the first structures that collapse. First we quantify how the relaxation varies with resolution, softening and radius within isolated equilibrium and non-equilibrium cuspy haloes. We then attempt to determine how this numerical effect
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Creators (Authors)
- Diemand, Juerg
- Moore, Ben
- Stadel, Joachim
- Kazantzidis, Stelios
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Citations
Diemand, J., Moore, B., Stadel, J., & Kazantzidis, S. (2004). Two-body relaxation in cold dark matter simulations. Monthly Notices of the Royal Astronomical Society, 348(3), 977–986. https://doi.org/10.1111/j.1365-2966.2004.07424.x
