Answers are grounded in this paper and cite their sources.
Crossing symmetry (in a modified form) survives in semiclassical computations of relativistic particle scattering, and provides a nontrivial consistency test of such computations. The calculation of soliton scattering by Jackiw and Woo passes this test.
No takes yet. Share an insight, caveat, or question.
Sidney Coleman (1975) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: