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arxiv: astro-ph/0509665 · v1 · submitted 2005-09-22 · 🌌 astro-ph

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MONDian Cosmological Simulations

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keywords modelcosmologicaldensitymondmondianobjectsredshiftaccepted
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We present results derived from a high-resolution cosmological N-body simulation in which the equations of motion have been changed to account for MOdified Newtonian Dynamics (MOND). It is shown that a low-Omega0 MONDian model with an appropriate choice for the normalisation sigma8 of the primordial density fluctuations can lead to similar clustering properties at redshift z=0 as the commonly accepted (standard) LCDM model. However, such a model shows no significant structures at high redshift with only very few objects present beyond z>3. For the current implementation of MOND density profiles of gravitationally bound objects at z=0 can though still be fitted by the universal NFW profile.

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