Amplitudes in Noncritical Dimensions and Dimensional Regularization

Details Amplitudes in Noncritical Dimensions and Dimensional Regularization Amplitudes in Noncritical Dimensions and Dimensional Regularization

2011-02-14

arxiv.org/abs/1102.2757v1

Prog.Theor.Phys.Suppl.188:19-28,2011

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 1 figure, A contribution to the proceedings of "SFT2010", held at YITP, Kyoto, Japan, October 18-22, 2010

Scientific paper

10.1143/PTPS.188.19

We study how the dimensional regularization works in the light-cone gauge string field theory. We show that it is not necessary to add a contact term to the string field theory action as a counter term in this regularization at least at the tree level. We also investigate the one-loop amplitudes of the bosonic theory in noncritical dimensions and show that they are modular invariant.

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