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An Exact Inflationary Solution to Non-Minimally Coupling

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Abstract

We find a new exact inflationary solution to non-minimally coupled scalar field from a specific H(φ). The inflation is driven by the evolution of the scalar field with a new inflation potential. The spectral index of the scalar density fluctuations n s is consistent with the result of WMAP3 for the power-law flat ΛCDM model. Our solution relaxes the constraint to the quartic coupling constant, e.g. when ξ=103, λ≤8.9×10−11.

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Authors and Affiliations

  1. Institute of Theoretical Physics, China West Normal University, Nanchong, Sichuan, 637002, China

    Xiong-Wei Liu, Shu-Zheng Yang & Shi-Wu Chen

  2. Department of Industrial Automation, Southwest Petroleum Institute, Nanchong, Sichuan, 637001, China

    Wen-Fu Wang

Authors
  1. Xiong-Wei Liu
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  2. Shu-Zheng Yang
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  3. Shi-Wu Chen
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  4. Wen-Fu Wang
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Correspondence to Xiong-Wei Liu.

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Liu, XW., Yang, SZ., Chen, SW. et al. An Exact Inflationary Solution to Non-Minimally Coupling. Int J Theor Phys 48, 1478–1484 (2009). https://doi.org/10.1007/s10773-008-9919-3

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  • DOI: https://doi.org/10.1007/s10773-008-9919-3

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