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.
Volume 318 -
Corfu Summer Institute 2017 "Schools and Workshops on Elementary Particle Physics and Gravity" (CORFU2017) -
Workshop on Testing Fundamental Physics Principles
Comments on the double copy construction for gravitational theories
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Pre-published on:
August 22, 2018
Published on:
August 24, 2018
Abstract
DOI: https://doi.org/10.22323/1.318.0177
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.