N-string vertex, canonical forms and bosonization

Ursula Carow-Watamura, Satoshi Watamura

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

We give the field representation of the canonical forms for the operators which generate the projective transformation. This representation is also applicable in formulating the N-string vertex of Lovelace and Olive. It shows that they have the properties of a transition operator. Requiring the same properties for the ghost sector in bosonized form we construct the BRST invariant canonical form and the N-string vertex. We consider the (N - 3) b-ghost insertion. We show that the resulting vertex with (N - 3) parameters corresponding to the location of the ghosts is symmetric with respect to the N strings and it gives the proper integration measure.

Original languageEnglish
Pages (from-to)149-162
Number of pages14
JournalNuclear Physics, Section B
Volume302
Issue number1
DOIs
Publication statusPublished - 1988 May 23

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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