Tsallis热力学作为暗物质晕模型的实证检验
天体物理学
2009-11-11 v1
摘要
我们从两个角度研究暗物质晕模型:源自Tsallis热力学的“恒星多方球”模型,以及源自Navarro-Frenk-White范式的模型。我们对两种晕模型进行了适当的比较,并分析了来自实际星系样本的观测星系盘全局物理参数与未观测到的暗物质晕参数之间的关系,我们得出结论,在这种比较中,SP模型优于NFW模型。
引用
@article{arxiv.astro-ph/0604126,
title = {Empirical testing of Tsallis' Thermodynamics as a model for dark matter halos},
author = {Dario Nunez and Roberto A. Sussman and Jesus Zavala and Luis G. Cabral-Rosetti and Tonatiuh Matos},
journal= {arXiv preprint arXiv:astro-ph/0604126},
year = {2009}
}
备注
5 pages, 1 figure, To appear in the Proceedings of X Mexican Workshop on Particles and Fields, Morelia Michoac\'an, M\'exico, November 7-12, 2005