Toy Model of Evolving and Spinning Quantum Cosmology – A Review
Abstract
Quantum gravity (QG) is a wide range physical model intended for understanding the in-built cosmological quantum phenomena on small scale as well as large scale distances. So far, progress in this direction is very nominal and general theory of relativity (GTR) needs a serious review with reference to ‘quantum cosmology’. In this context, assuming that, Planck scale Hubble parameter and Mach’s principle play a crucial role in entire cosmic evolution, we propose a toy model of evolving flat space rotating quantum cosmology. We would like to suggest that, 1) Cosmic temperature is directly proportional to the cosmic ordinary matter density and current ordinary matter density is about 0.0434 times the current critical density. 2) Current cosmic radius is about 10.45 Gpc and seems to constitute around 14 Hubble spheres. 3) Dark energy density ratio seems to be equal to the cubic root of dark matter density ratio and by following Friedmann’s cosmic density ratio sum rule, dark matter density and dark energy density, both, can be estimated with respect to ordinary matter density. 4) Current dark energy can be identified with current cosmic rotational kinetic energy associated with current ordinary matter and dark matter. 5) Planck scale expansion velocity is 1.85c and current expansion velocity is 2.44c and there is no need to invoke inflation like concepts.
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