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Four-derivative brane couplings from string amplitudes

  • Texas A&M University
  • Institute for Advanced Studies
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We evaluate the string theory disc amplitude of one Ramond-Ramond field C(p-3) and two Neveu-Schwarz B-fields in the presence of a single Dp-brane in type II string theory. From this amplitude we extract the four-derivative (or equivalently order α2) part of the Dp-brane action involving these fields. We show that the new couplings are invariant under R-R and NS-NS gauge transformations and compatible with linear T-duality.

Original languageEnglish
Article number050
JournalJournal of High Energy Physics
Volume2011
Issue number12
DOIs
StatePublished - 2011

Keywords

  • D-branes
  • Flux compactigfications
  • Superstrings and heterotic strings

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