Superstring Regge Amplitudes And Emission Vertices
PHYSICS LETTERS B(1989)
摘要
We calculate (super) string high-energy amplitudes with external leading Regge trajectories in terms of new emission vertices with continuous spin and off-shell momenta. Such vertices are constructed as quasi-local operators from the short-distance product of primary fields and used to calculate the four-graviton Regge amplitude, relevant to gravitational scattering at planckian energies.
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