Virial clouds explaining the observed rotational asymmetry in the galactic halos

Rotation of galactic objects has been seen in the cosmic microwave background (CMB) that could be ascribed to molecular hydrogen clouds with, or without, dust contamination and contamination from other sources. We model the clouds using the canonical ensemble for pure molecular hydrogen, a mixture o...

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Bibliographic Details
Published in:Physical review. D 2019-08, Vol.100 (4), p.1, Article 043028
Main Authors: Qadir, Asghar, Tahir, Noraiz, Sakhi, Muhammad
Format: Article
Language:English
Subjects:
Big Bang theory
Contamination
Cosmic microwave background
Dust
Galactic halos
Galactic rotation
Hydrogen
Hydrogen clouds
Physical properties
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Summary:Rotation of galactic objects has been seen in the cosmic microwave background (CMB) that could be ascribed to molecular hydrogen clouds with, or without, dust contamination and contamination from other sources. We model the clouds using the canonical ensemble for pure molecular hydrogen, a mixture of hydrogen helium and/or dust, in order to constrain the physical parameters of these clouds. Since the clouds are cold, we justify the use of the canonical ensemble by explicitly calculating the interaction between the hydrogen molecules and the CMB photons and determining the time required for thermal equilibrium to be reached and show that there is enough time for equilibrium to be attained.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.100.043028