Gluing of branched surfaces by sewing of fermionic string vertices

Bengt E.W. Nilsson, Per Sundell

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We glue together two branched spheres by sewing of two Ramond (dual) two-fermion string vertices and present a rigorous analytic derivation of the closed expression for the four-fermion string vertex. This method treats all oscillator levels collectively and the obtained answer verifies that the closed form of the Ramond four-vertex previously argued for on the basis of explicit results restricted to the first two oscillator levels is the correct one.

Original languageEnglish
Pages (from-to)155-172
Number of pages18
JournalNuclear Physics, Section B
Volume407
Issue number1
DOIs
Publication statusPublished - 11 Oct 1993

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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