Authors: U.V.S. Seshavatharam, S.Lakshiminarayana
In an optimistic approach, some of the modern cosmologists believe that, during cosmic evolution, Planck scale quantum gravitational interactions might have an observable effect on the current observable cosmological phenomena. Clearly speaking, with respect to ‘Quantum gravity’ and Planck scale early universal laboratory, current universe can be considered as a low energy scale laboratory. If so, cosmological quantum gravity can be considered as scale independent. If one is willing to consider the current observable universe as a low energy scale laboratory, currently believed cosmic microwave back ground temperature can be considered as the low energy quantum gravitational effect. At any time in the past, i.e as the operating energy scale was assumed to be increasing; past high cosmic back ground temperature can be considered as the high energy quantum gravitational effect. Thinking in this way, starting from the Planck scale, quantum cosmology can be considered as ‘scale independent model’ and the universe can be considered as the best quantum gravitational object. With reference to the current concepts of modern cosmology, probability of ‘this’ to happen may be zero, but its possibility cannot be ruled out. By considering the current observable universe as an evolving primordial black hole, many fundamental issues of cosmology can be resolved. Proceeding further, observed deep space redshift nonlinearity can be expected to be connected with cosmological gravitational and relativistic effects and cannot be considered as a major criterion of cosmic evolution.
Comments: 17 Pages. Oral presentation, PMS_002, Andhra Pradesh Academi of Sciences, 1st Science Congress, Tirupati, AP, India. (27/29-Jan-2016)
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