Covariant Open Bosonic String Field Theory on Multiple D-Branes in the Proper-Time Gauge
J. Korean Phy. Soc. 2017; 71: 886~903
Published online December 29, 2017 © 2017 The Korean Physical Society.

Department of Physics, Kangwon National University, Chuncheon 24341, Korea
Correspondence to: Taejin Lee
Making use of the first quantized open bosonic string in the proper time gauge, we convert the string amplitudes given by the Polyakov path integrals on string world sheets into those of the second quantized theory. Having obtained planar diagrams, we adopt the light-cone string field theory technique to calculate the multi-string scattering amplitudes with an arbitrary number of external strings. In the zero-slope limit, the string scattering amplitudes are identified precisely as those of non-Abelian Yang-Mills gauge theory if the external states are chosen to be massless vector particles.
PACS numbers: 11.15.-q, 11.25.Uv, 11.25.Sq
Keywords: Covariant open string field theory, D-branes, Proper time, Non-Abelian gauge theory

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