Britto-Cachazo-Feng-Witten-Type Recurrent Relations for Tree Superamplitudes of D=11 Supergravity.
We propose the on-shell superfield description for tree amplitudes of D=11 supergravity and the Britto-Cachazo-Feng-Witten-type recurrent relations for these superamplitudes.
Department of Theoretical Physics, University of the Basque Country UPV/EHU, P.O. Box 644, 48080 Bilbao, Spain and IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain.
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