Light-Cone Gauge Superstring Field Theory and Dimensional Regularization

Details Light-Cone Gauge Superstring Field Theory and Dimensional Regularization Light-Cone Gauge Superstring Field Theory and Dimensional Regularization

2009-06-19

arxiv.org/abs/0906.3577v1

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, 3 figures

Scientific paper

We propose a dimensional regularization scheme in the light-cone gauge NSR superstring field theory to regularize the divergences caused by the colliding supercurrents inserted at the interaction points. We study the tree amplitudes and show that our scheme actually regularize the divergences. We examine the four-point amplitudes for the NS-NS closed strings and find that the results in the first-quantized theory are reproduced without any counterterms.

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