Recurrence relations of higher spin BPST vertex operators for open strings

Chih Hao Fu*, Jen-Chi Lee, Chung I. Tan, Yi Yang

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We calculate higher-spin Brower-Polchinski-Strassler-Tan (BPST) vertex operators for an open bosonic string and express these operators in terms of a Kummer function of the second kind. We derive an infinite number of recurrence relations among BPST vertex operators of different string states. These recurrence relations among BPST vertex operators lead to the recurrence relations among Regge string scattering amplitudes discovered recently.

Original languageEnglish
Article number046004
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume88
Issue number4
DOIs
StatePublished - 19 Aug 2013

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