Spinor-helicity three-point amplitudes from local cubic interactions

被引:0
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作者
Eduardo Conde
Euihun Joung
Karapet Mkrtchyan
机构
[1] Seoul National University,School of Physics & Astronomy and Center for Theoretical Physics
[2] Gauge,undefined
[3] Gravity & Strings,undefined
[4] Center for Theoretical Physics of the Universe,undefined
[5] Institute for Basic Sciences,undefined
关键词
Higher Spin Gravity; Scattering Amplitudes;
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摘要
We make an explicit link between the cubic interactions of off-shell fields and the on-shell three-point amplitudes in four dimensions. Both the cubic interactions and the on-shell three-point amplitudes had been independently classified in the literature, but their relation has not been made explicit. The aim of this note is to provide such a relation and discuss similarities and differences of their constructions. For the completeness of our analysis, we also derive the covariant form of all parity-odd massless vertices.
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