On factorizing correlation functions in string theory using loop variables
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Publication:2728112
DOI10.1142/S0217732395002532zbMATH Open1022.81713arXivhep-th/9507157OpenAlexW2025811850MaRDI QIDQ2728112
Publication date: 31 July 2001
Published in: Modern Physics Letters A (Search for Journal in Brave)
Abstract: Factorization of string amplitudes is one way of constructing string interaction vertices. We show that correlation functions in string theory can be conveniently factorized using loop variables representing delta functionals. We illustrate this construction with some examples where one particle is off-shell. These vertices are ``correct in the sense that they are guaranteed, by construction, to reproduce S-matrix elements when combined with propagators in a well defined way.
Full work available at URL: https://arxiv.org/abs/hep-th/9507157
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