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Simulations with variable OmegaMatter
- Authors: Andr\'es Nicol\'as Ruiz
- Contact: andres.ruiz@unc.edu.ar
- Pub-Date: 2024
- Last modification: 2024
Description
17 pairs (A+B) of simulations with different values of ΩM. Simulations have 5123 dark-matter particles in a comoving cubic volume of 500h−1Mpc on a side. Values of ΩM range from 0.10 to 0.50, equally sampled in intervals of 0.025. Simulations were run with Gadget-4 [1], using power spectra generated with CAMB [2]. In all cases we use fixed comological parameter for Ωb=0.05, h=0.67, σ8=0.81, n=0.96 and ΩΛ=1−\Omega_M$. The A+B pair follows the paired-fixed approach to suppress cosmic variance [3].
## Data available
Snapshot at z=0 and Rockstar [4] halo catalogues (ascii and binary)
## References [1] Springel V., Pakmor R., Zier O. & Reinecke M., 2021, MNRAS, 506, 2871 (https://wwwmpa.mpa-garching.mpg.de/gadget4/) [2] Lewis A., Challinor A. & Lasenby A., 2000, ApJ, 538, 473 (https://camb.readthedocs.io/en/latest/) [3] Angulo R. E. & Pontzen A., 2016, MNRAS, 462, L1. [4] Behroozi P. S., Wechsler R. H. & Wu H.-Y., 2013, ApJ, 762, 109 (https://bitbucket.org/gfcstanford/rockstar/src/main/)
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