## On the Possible Role of Mach's Principle and Quantum Gravity in Cosmic Rotation a Short Communication

**Authors:** U.V.S. Seshavatharam, S.Lakshiminarayana

In this paper, we show one theoretical possibility for cosmic rotation. We would like to appeal that: 1) A globally rotating universe is consistent with general relativity and quantum gravity. 2) As currently believed dark energy is having no observational evidence, it is better to search for cosmic rotational effects. In this context, one can see the main stream journal articles on cosmic axis of rotation and observational effects of cosmic rotation. Based on Mach's principle and quantum gravity, we imagine our universe as the best quantum gravity sphere and assume that, at any stage of cosmic evolution: 1) Planck scale Hubble parameter plays a crucial role. 2) Space-time curvature follows, ${GM_t}\cong{R_tc^2}$ where $M_t$ and $R_t$ represent the ordinary cosmic mass and radius respectively. 3) Cosmic thermal wavelength is inversely proportional to the ordinary matter density. 4) Magnitude of angular velocity is equal to the magnitude of Hubble parameter. Based on these assumptions, at $H_0\cong 70 \textrm{\,km/sec/Mpc\,},$ estimated current matter density is 0.04341$\left(\frac{3H_0^2}{8 \pi G}\right)$ and corresponding radius is 29 Gpc. Current cosmic rotational kinetic energy density is 0.667$\left(\frac{3H_0^2c^2}{8 \pi G}\right)$. We would like to emphasize that: 1) Currently believed mysterious dark energy can be identified with current cosmic rotational kinetic energy. 2) Currently believed `inflation' concept can be relinquished. With advanced science, engineering and technology and by considering the most recent observations on `cosmic axis of evil' and `axial alignment' of distance astronomical bodies, a unified model of quantum cosmology can be developed.

**Comments:** 7 Pages.

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### Submission history

[v1] 2017-04-07 20:18:06

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