The quantum effect on Friedmann equation in FRW universe

12 Dec 2017  ·  Zhang Wei, Kuang Xiao-Mei ·

We study the modified Friedmann equation in the Friedmann-Robertson-Walker universe with quantum effect. Our modified results mainly stem from the new entropy-area relation and the novel idea of T. Padmanabhan, who considers the cosmic space to be emerged from the cosmic time progresses, so that the expansion rate of the universe is determined by the difference of degrees of freedom between the holographic surface and the bulk inside... We also discuss the possibility of having bounce cosmological solution from the modified Friedmann equation in spatially flat geometry. read more

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General Relativity and Quantum Cosmology