Speaker
Mr
Hynek Paul
(KU Leuven)
Description
Despite recent progress in the evaluation of 4pt string amplitudes, not much is known about the coefficients in their low energy expansion beyond genus 1. I will describe a simple method, based on the partial-wave decomposition of the tree-level amplitude, which predicts the leading logarithmic discontinuity at any order in \alpha' and any genus. Based on WIP with Yu-tin Huang and Michele Santagata.
Author
Mr
Hynek Paul
(KU Leuven)
