Closed String Amplitudes in Open String Field Theory

Details Closed String Amplitudes in Open String Field Theory Closed String Amplitudes in Open String Field Theory

2003-07-18

arxiv.org/abs/hep-th/0307173v1

JHEP 0308 (2003) 020

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 3 figures

Scientific paper

10.1088/1126-6708/2003/08/020

We investigate gauge invariant operators corresponding to on-shell closed string states in open string field theory. Using both oscillator representation and conformal mapping techniques, we calculate a two closed string tachyon amplitude that connects two gauge invariant operators by an open string propagator.We find that this amplitude is in a complete agreement with the usual disc amplitude.

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