Divergent ⇒ complex amplitudes in two dimensional string theory

  title={Divergent ⇒ complex amplitudes in two dimensional string theory},
  author={Ashoke Sen},
  journal={arXiv: High Energy Physics - Theory},
  • A. Sen
  • Published 26 March 2020
  • Physics
  • arXiv: High Energy Physics - Theory
In a recent paper, Balthazar, Rodriguez and Yin found remarkable agreement between the one instanton contribution to the scattering amplitudes of two dimensional string theory and those in the matrix model to the first subleading order. The comparison was carried out numerically by analytically continuing the external energies to imaginary values, since for real energies the string theory result diverges. We use insights from string field theory to give finite expressions for the string theory… 

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