paper

Picture Changing Operators in Closed Fermionic String Field Theory

arXiv:hep-th/9202087 · doi:10.1016/0370-2693(92)91772-2

Abstract

We discuss appropriate arrangement of picture changing operators required to construct gauge invariant interaction vertices involving Neveu-Schwarz states in heterotic and closed superstring field theory. The operators required for this purpose are shown to satisfy a set of descent equations.

15 pages

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