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Representing the Graviton Self-Energy on de Sitter Background

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arxiv 1403.0896 v2 pith:X4GNCB7U submitted 2014-03-04 gr-qc astro-ph.COhep-th

Katie E. Leonard (Applied Mathematics) , Sohyun Park (Penn State University) , Tomislav Prokopec (Utrecht University) , R. P. Woodard (University of Florida) This is my paper · ORCID
classification gr-qcastro-ph.COhep-th
keywords representationsitterfourfunctionsgravitonself-energystructurewhat
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We derive a noncovariant but simple representation for the self-energy of a conformally transformed graviton field on the cosmological patch of de Sitter. Our representation involves four structure functions, as opposed to the two that would be necessary for a manifestly de Sitter invariant representation. We work out what the four structure functions are for the one loop correction due to a massless, minimally coupled scalar. And we employ the result to work out what happens to dynamical gravitons.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Resumming Fermion Loops for Inflationary Gravity

    gr-qc 2024-12 conditional novelty 6.0 of 10

    The 1-loop graviton self-energy from a massless fermion loop is derived on any cosmological background, and the resulting de Sitter corrections to gravitational waves and the Newtonian potential are resummed via a ren...

  2. Resumming Photon Loops for Inflationary Gravity

    gr-qc 2024-12 accept novelty 6.0 of 10

    Photon loops on de Sitter background are conserved at one loop and produce a positive, logarithmically growing correction to the Weyl tensor and Newtonian potential that resums to a power law.

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