Sv-map between type-I and heterotic sigma models
The scattering amplitudes of gauge bosons in heterotic and open superstring theories are related by the single-valued map (sv-map): heterotic amplitudes are obtained by selecting a subset of multiple zeta value (MZV) coefficients in the $\alpha'$ (string tension parameter) expansion of open str...
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| Online Access: | http://hdl.handle.net/2047/D20316397 |