Quantum Gravity and String Theory

   

On the Possible Role of Mach's Principle and Quantum Gravity in Modern Quantum Cosmology

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

Based on Mach's principle and quantum gravity, we imagine our universe as a best quantum gravitational 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) Both, cosmic radius and expansion velocity, are proportional to the ratio of dark matter density and ordinary matter density. 4) Cosmic temperature is proportional to the ratio of ordinary matter density and critical density. With further research, a unified model of `quantum cosmology' with evolving dark energy or evolving vacuum energy can be developed.

Comments: 3 Pages. A very short communication

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[v1] 2017-02-08 19:34:45

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