Embedding R+R2 inflation in supergravity

Sergei V. Ketov and Alexei A. Starobinsky
Phys. Rev. D 83, 063512 – Published 11 March 2011
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  • INTRODUCTION
  • F(R) SUPERGRAVITY AND f(R) GRAVITY
  • OUR NEW MODEL
  • CONCLUSION
  • ACKNOWLEDGEMENTS
    • References

    Abstract

    We find the natural embedding of the (R+R2) inflationary model into the recently constructed F(R) supergravity. It gives a simple and viable realization of chaotic inflation in supergravity. The only requirement for a slow-roll inflation is the existence of the R3 term with an anomalously large coefficient in Taylor expansion of the F(R) function.

    • Received 8 November 2010

    DOI:https://doi.org/10.1103/PhysRevD.83.063512

    © 2011 American Physical Society

    Authors & Affiliations

    Sergei V. Ketov1,2 and Alexei A. Starobinsky3,4

    • 1Department of Physics, Tokyo Metropolitan University, Minami-Ohsawa 1-1, Hachioji-shi, Tokyo 192-0397, Japan
    • 2Institute for the Physics and Mathematics of the Universe (IPMU), The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa-shi, Chiba 277-8568, Japan
    • 3Landau Institute for Theoretical Physics, Moscow 119334, Russia
    • 4Research Center for the Early Universe (RESCEU), Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan

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    Issue

    Vol. 83, Iss. 6 — 15 March 2011

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