Multiloop worldline Green functions from string theory
Apr, 199633 pages
Published in:
- Nucl.Phys.B 480 (1996) 99-124
e-Print:
- hep-th/9604152 [hep-th]
Report number:
- NBI-HE-96-19
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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 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 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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