A simple formula for gravitational MHV amplitudes

Mon, 30/04/2012
12:00
Andrew Hodges (Oxford) String Theory Seminar Add to calendar L3
A simple formula is given for the $ n $-field tree-level MHV gravitational amplitude, based on soft limit factors. It expresses the full $ S_n $ symmetry naturally, as a determinant of elements of a symmetric ($ n \times n $) matrix.