Primordial Rotation of the Universe, Hydrodynamics, Vortices and Angular Momenta of Celestial Objects

Abstract

The origin of rotation or spin of objects, from stars to galaxies, is still an unanswered question. Even though there are models which try to explain this, none of them can account for the initial impulse that gave rise to this spin. In this paper we present that a cosmological model that contains a term involving the primordial spin of the universe can explain how these objects acquired the property of spin. This model also gives a natural explanation for the quadratic scaling of angular momentum with mass. Currently no cosmological model indicates as to why there are hundred billion galaxies with hundred billion stars in each. In this paper we invoke the property of non-irrotational hydrodynamic flow in order to explain how a primordial rotation of the universe broken up into vortex line structures, can indeed lead to formation of a large number of galactic structures and these in turn can lead to equally large number of stars within each galaxy. Again, from this model, the background torsion due to a universal spin density not only gives rise to angular momenta for all structures but also provides a background 'centrifugal term' acting as a repulsive gravity accelerating the universe, with spin density acting as effective cosmological constant.