Multiloop worldline Green functions from string theory

Apr, 1996
33 pages
Published in:
  • Nucl.Phys.B 480 (1996) 99-124
e-Print:
Report number:
  • NBI-HE-96-19

Citations per year

1996200320102017202302468
Abstract:
We show how the multiloop bosonic Green function of closed string theory reduces to the world-line Green function as defined by Schmidt and Schubert in the limit where the string world-sheet degenerates into a Φ3\Phi^3 particle diagram. To obtain this correspondence we have to make an appropriate choice of the local coordinates defined on the degenerate string world sheet. We also present a set of simple rules that specify, in the explicit setting of the Schottky parametrization, which is the corner of moduli space corresponding to a given multiloop Φ3\Phi^3 diagram.
Note:
  • 33 pages, 6 figures. Published version Report-no: NBI-HE-96-19
  • string model
  • n-point function
  • Riemann surface
  • moduli space
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