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        Transmuting CHY formulae

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        Bollmann_Ferro2019_Article_TransmutingCHYFormulae.pdf (PDF, 362Kb)
        Author
        Ferro, Livia
        Bollmann, Max
        Attention
        2299/21012
        Abstract
        The various formulations of scattering amplitudes presented in recent years have underlined a hidden unity among very different theories. The KLT and BCJ relations, together with the CHY formulation, connect the S-matrices of a wide range of theories: the transmutation operators, recently proposed by Cheung, Shen and Wen, provide an account for these similarities. In this note we use the transmutation operators to link the various CHY integrands at tree-level. Starting from gravity, we generate the integrands for YangMills, biadjoint scalar, Einstein-Maxwell, Yang-Mills scalar, Born-Infeld, Dirac-Born-Infeld, non-linear sigma model and special Galileon theories, as well as for their extensions. We also commence the study of the CHY-like formulae at loop level.
        Publication date
        2019-01
        Published in
        Journal of High Energy Physics
        Published version
        https://doi.org/10.1007/JHEP01(2019)180
        Other links
        http://hdl.handle.net/2299/21012
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