4.3 Article

Higher-derivative couplings in string theory: Five-point contact terms

Journal

NUCLEAR PHYSICS B
Volume 967, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.nuclphysb.2021.115386

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Funding

  1. US Department of Energy [DE-SC0007859]
  2. ERC [772408, 787320]
  3. European Research Council (ERC) [772408] Funding Source: European Research Council (ERC)

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We computed the tree-level (HR3)-R-2 couplings of type II strings and found additional kinematical structures at tree level that are not present in the one-loop couplings. This has interesting implications for type II supersymmetry as well as SL(2, Z) duality in type IIB strings.
We compute the tree-level (HR3)-R-2 couplings of type II strings and provide some basic tests of the couplings by considering both K3 and Calabi-Yau threefold compactifications. Curiously, additional kinematical structures show up at tree level that are not present in the one-loop couplings. This has interesting implications for type II supersymmetry as well as SL(2, Z) duality in type IIB strings. (C) 2021 The Authors. Published by Elsevier B.V.

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