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# Gauge invariant 1 PI effective superstring field theory : inclusion of the Ramond sector

@inproceedings{Sen2015GaugeI1, title={Gauge invariant 1 PI effective superstring field theory : inclusion of the Ramond sector}, author={Ashoke Sen}, year={2015} }

- Published 2015

We construct off-shell amplitudes in heterotic and type II string theories involving arbitrary combination of Ramond and Neveu-Schwarz sector external states. We also construct the equations of motion of a gauge invariant 1PI effective field theory which reproduces these off-shell amplitudes. Using this construction we prove that the renormalized physical masses do not depend on the choice of local coordinate system and locations of picture changing operators used in defining the off-shell… CONTINUE READING