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N >= 4 Supergravity Amplitudes from Gauge Theory at One Loop

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arxiv 1107.1935 v2 pith:XUDOIDFG submitted 2011-07-11 hep-th

classification hep-th
keywords amplitudesdouble-copydualityloopsupergravityadditionalcolorconfirmations
verification ladder T0 review T1 audit T2 compute T3 formal
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We expose simple and practical relations between the integrated four- and five-point one-loop amplitudes of N >= 4 supergravity and the corresponding (super-)Yang-Mills amplitudes. The link between the amplitudes is simply understood using the recently uncovered duality between color and kinematics that leads to a double-copy structure for gravity. These examples provide additional direct confirmations of the duality and double-copy properties at loop level for a sample of different theories.

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