Abstract
The BCJ decomposition is a highly non-trivial property of gauge theories. In this paper we systematically construct an effective Lagrangian, whose Feynman rules automatically produce the BCJ numerators. The effective Lagrangian contains non-local terms. The difference between the standard Yang-Mills Lagrangian and the effective Lagrangian simplifies to zero.
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ArXiv ePrint: 1306.2975
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Tolotti, M., Weinzierl, S. Construction of an effective Yang-Mills Lagrangian with manifest BCJ duality. J. High Energ. Phys. 2013, 111 (2013). https://doi.org/10.1007/JHEP07(2013)111
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DOI: https://doi.org/10.1007/JHEP07(2013)111