Abstract
Using the operator approach we construct the operator part of the N-loop amplitude of the superstring out of the three-string vertices and propagators. To include the Ramond sector straightforwardly into our formulation, the fermions are bosonized. As a result we obtain the g-vacuum expressed by the θ{symbol}-function for the corresponding Riemann surface of genus N with specified spin structure. This operator construction has the advantage of providing us with a handle operator connecting the two g-vacua for genus N and genus (N + 1) in a compact form.
Original language | English |
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Pages (from-to) | 166-192 |
Number of pages | 27 |
Journal | Nuclear Physics, Section B |
Volume | 315 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1989 Mar 13 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics