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Emergence of space and cosmic evolution based on entropic force

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Abstract

In this paper, we propose a model in which an additional pressure due to the effects of the entropic force is added to the ideal fluid. Furthermore, we obtain the dynamic equation in the FRW universe which contains the quantum gravitational effects based on the description of entropic force and emergence of space. Our model can well explain the age of the universe and the effect of the current accelerating expansion. We give the relation between the luminosity distance and the redshift factor, and compare this relation with that of lambda cold dark matter model (\(\varLambda \textit{CDM}\) model).

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Acknowledgments

This work is supported in part by the NSF of China Grant Nos. 11075138 and 11375150.

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Authors and Affiliations

  1. Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou, 310027, People’s Republic of China

    Fei-Quan Tu & Yi-Xin Chen

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  1. Fei-Quan Tu
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  2. Yi-Xin Chen
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Correspondence to Yi-Xin Chen.

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Tu, FQ., Chen, YX. Emergence of space and cosmic evolution based on entropic force. Gen Relativ Gravit 47, 87 (2015). https://doi.org/10.1007/s10714-015-1927-z

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  • DOI: https://doi.org/10.1007/s10714-015-1927-z

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