Comments on the double copy construction for gravitational theories release_uxoh3mekgrb5tiy354jdvtm4ha

by Gabriel Lopes Cardoso, Gianluca Inverso, Silvia Nagy, Suresh Nampuri

Released as a report .

2018  

Abstract

We revisit the double copy description for linearized gravity and point out various technical issues and subtleties, associated with setting up the double copy description, including the problem of matching degrees of freedom on both sides of the double copy dictionary and the related issue of the constraint between graviton and dilaton sources. We introduce and discuss possible resolutions of these issues.
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Type  report
Stage   submitted
Date   2018-09-13
Version   v2
Language   en ?
Number  QMUL-PH-18-04
arXiv  1803.07670v2
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