Non-Violation of Energy Conditions in the Future Accelerated Universe Due to Quantum Effects

Details Non-Violation of Energy Conditions in the Future Accelerated Universe Due to Quantum Effects Non-Violation of Energy Conditions in the Future Accelerated Universe Due to Quantum Effects

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ijtp...46.1702s&link_type=abstract

International Journal of Theoretical Physics, Volume 46, Issue 6, pp.1702-1709

Physics

Cosmic Energy Conditions, Phantom Model Without Future Singularity And Quantum Corrections.

Scientific paper

Here, an accelerated phantom model for the late universe is explored, which is free from future singularity. It is interesting to see that this model exhibits strong curvature for all time in future, unlike models with ‘big-rip singularity’ showing high curvature near singularity time only. So, quantum gravity effects grow dominant as time increases in late universe too. More importantly, it is demonstrated that quantum corrections to FRW equations lead to non-violation of ‘cosmic energy conditions’ of general relativity, which are violated for accelerating universe without these corrections.

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