Vol. 7, Issue 12, Part F (2021)

Abstract
When the universe was barely billion years old motivates one to consider ultra-light bosons as alternate candidates for dark matter. In this research paper by using the framework of non-relativistic Gross-Pitaevskii equation it is found that SMBHs with mass ∼ 10¹⁰ M⨀ can be created from the collapse of ultra-light dark boson condensates formed around remnants of population III stars on time scales of ∼ 10⁸ yrs., if the dark boson mass is ≳ 10⁻²⁰ eV. In order that these dark bosons act both as dark matter and dark energy, their rest mass has to be less than ∼ 10⁻²³ eV, implying that SMBHs with mass ≳ 10¹² M would be generated from collapse of halo size BEC. In this paper, we studied collapse of such ultra-light bosonic halo DM that are in a Bose-Einstein condensate (BEC) phase to give rise to SMBHs on dynamical time scales. We undertake a simplified analysis to explain the observed alignments from the standpoint of collapsing, cluster size, rotating dark boson BEC. Finally, on concluding remarks pertaining to our proposed mechanism of Super-Massive Black Hole from Ultra-Light-dark Bosons (SMBH) generation.