Research PapersNo Access

Charged perfect fluid dark matter model: Known mass density function approach

Mithun Ghosh

Bangaljhi Swami Vivekananda Vidyamandir (H.S), Bangaljhi, Chapra, Nadia 741123, West Bengal, India

E-mail Address: ghoshmithun123@gmail.com

https://doi.org/10.1142/S0217732321500437Cited by:6 (Source: Crossref)

Abstract

The concept of dark matter has been imported to explain the observed velocity profile of the spiral galaxies, the flat rotational velocity. Taking the flatness of rotation curves as an input and assuming that the galactic halo is filled with charged perfect fluid having known mass density function, we obtain a space time metric in the galactic halo region. The acquired solution indicates to a (nearly) flat universe, consistent with the present day cosmological observations. Various other aspects of the solution such as attractive gravity in the halo region, stability of the circular orbit, etc., are also analyzed.

Keywords:

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