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Journal Articles Nuclear Physics B Year : 2019

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

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Abstract

We compute the tree-level $H^2$ $R^3$ 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 $SL(2, \mathbb{Z}$) duality in type IIB strings.
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Dates and versions

cea-03109892 , version 1 (14-01-2021)

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James T. Liu, Ruben Minasian. Higher-derivative couplings in string theory: five-point contact terms. Nuclear Physics B, 2019, 874 (2), pp.413-470. ⟨10.1016/j.nuclphysb.2013.06.002⟩. ⟨cea-03109892⟩
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