Duality and the polyakov N-point green's function

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12 Scopus citations


Recently Polyakov proposed an N-point Green's function G(p1,pN) for closed strings. We consider the problem of finding poles in the external momenta and extracting on-shell scattering amplitudes from G. Moreover, we find that G is invariant under complex Möbius transformations, and is presumably dual.

Original languageEnglish (US)
Pages (from-to)2706-2708
Number of pages3
JournalPhysical Review D
Issue number10
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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