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Higher derivative brane couplings from T-duality

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32 Scopus citations

Abstract

The Wess-Zumino coupling on D-branes in string theory is known to receive higher derivative corrections which couple the Ramond-Ramond potential to terms involving the square of the spacetime curvature tensor. Consistency with T-duality implies that the branes should also have four-derivative couplings that involve the NS-NS B-field. We use T-duality to predict some of these couplings. We then confirm these results with string worldsheet computations by evaluating disc amplitudes with insertions of one R-R and two NS-NS vertex operators.

Original languageEnglish
Article number29
JournalJournal of High Energy Physics
Volume2010
Issue number9
DOIs
StatePublished - 2010

Keywords

  • D-branes
  • String duality

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