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Journal of High Energy Physics

, 2019:173 | Cite as

Long string scattering in c = 1 string theory

  • Bruno Balthazar
  • Victor A. RodriguezEmail author
  • Xi Yin
Open Access
Regular Article - Theoretical Physics
  • 16 Downloads

Abstract

We study the scattering of long strings in c = 1 string theory, both in the worldsheet description and in the non-singlet sector of the dual matrix quantum mechanics. From the worldsheet perspective, the scattering amplitudes of long strings are obtained from a decoupling limit of open strings amplitudes on FZZT branes, which we compute by integrating Virasoro conformal blocks along with structure constants of boundary Liouville theory. In particular, we study the tree level amplitudes of (1) a long string decaying by emitting a closed string, and (2) the scattering of a pair of long strings. We show that they are indeed well defined as limits of open string amplitudes, and that our results are in striking numerical agreement with computations in the adjoint and bi-adjoint sectors of the dual matrix model (based on proposals of Maldacena and solutions due to Fidkowski), thereby providing strong evidence of the duality.

Keywords

Bosonic Strings D-branes Long strings M(atrix) Theories 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2019

Authors and Affiliations

  • Bruno Balthazar
    • 1
  • Victor A. Rodriguez
    • 1
    Email author
  • Xi Yin
    • 1
    • 2
  1. 1.Jefferson Physical LaboratoryHarvard UniversityCambridgeU.S.A.
  2. 2.Center for Theoretical Physics, Massachusetts Institute of TechnologyCambridgeU.S.A.

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