Massive double copy in three spacetime dimensions
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Publication:1980659
DOI10.1007/JHEP08(2021)116zbMATH Open1469.81045arXiv2107.00611MaRDI QIDQ1980659
Author name not available (Why is that?)
Publication date: 8 September 2021
Published in: (Search for Journal in Brave)
Abstract: Recent explorations on how to construct a double copy of massive gauge fields have shown that, while any amplitude can be written in a form consistent with colour-kinematics duality, the double copy is generically unphysical. In this paper, we explore a new direction in which we can obtain a sensible double copy of massive gauge fields due to the special kinematics in three-dimensional spacetimes. To avoid the appearance of spurious poles at 5-points, we only require that the scattering amplitudes satisfy one BCJ relation. We show that the amplitudes of Topologically Massive Yang-Mills satisfy this relation and that their double copy at three, four, and five-points is Topologically Massive Gravity.
Full work available at URL: https://arxiv.org/abs/2107.00611
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