Gravitational SD Perturbiner
classification
✦ hep-th
gr-qchep-ph
keywords
gravitationalperturbinersolutionclassicalexplicitform-factorsfunctiongenerating
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We present here an explicit self-dual classical solution of the type of perturbiner in gravity. This solution is a generating function for tree gravitational form-factors with all on-shell gravitons in the same helicity state.
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Cited by 1 Pith paper
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Graviton scattering on self-dual black holes
Exact tree-level MHV graviton scattering amplitudes at arbitrary multiplicity are obtained on self-dual Taub-NUT backgrounds using twistor theory, including spin via Newman-Janis shift, with undeformed celestial symmetries.
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