Resumo

NATARAJAN, S.; CHANDRAMOHAN, R.  e  SWAMINATHAN, R.. Conformal cyclic evolution of phantom energy dominated universe. Rev. mex. fis. [online]. 2020, vol.66, n.2, pp.209-223.  Epub 26-Mar-2021. ISSN 0035-001X.  https://doi.org/10.31349/revmexfis.66.209.

From the Wheeler-Dewitt solutions, the scale factor of the initial universe is discussed. In this study, scale factors from Wheeler-Dewitt solutions, loop quantum gravity, and phantom energy dominated stages are compared. Certain modifications have been attempted in scale factor and quantum potentials driven by canonical quantum gravity approaches. Their results are discussed in this work. Despite an increment of phantom energy density, avoidance of Big Rip is reported. Scale factors predicted from various models are discussed in this work. The relationship between scale factors and the smooth continuation of Aeon is discussed by the application of conformal cyclic cosmology. Quantum potentials for various models are correlated and a correction parameter is included in the cosmological constant. Phantom energy dominated, final stage non-singular evolution of the universe is found. Eternal increment of phantom energy density without interacting with dark matter is reported for the consequence of the evolution of the future universe. Also, the non-interacting solutions of phantom energy and dark matter are explained. As the evolution continues even after the final singularity is approached, the validity of conformal cyclic cosmology is predicted. Non zero values for the scale factor for the set of eigenvalues are presented. Results are compared with supersymmetric classical cosmology. The non-interacting solutions are compared with SiBI solutions.

Palavras-chave : Phantom energy; Wheeler-Dewitt theory; scale factor quantization; loop quantum cosmology; cosmological constant; non interacting phantom cosmology; 98.80.Qc; 02.40.Xx; 98.80.k; 98.80.Bp.

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