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The Ramond–Ramond sector of string theory beyond leading order
2004
Classical and quantum gravity
Present knowledge of higher-derivative terms in string effective actions is, with a few exceptions, restricted to the NS-NS sector, a situation which prevents the development of a variety of interesting applications for which the RR terms are relevant. We here provide the formalism as well as efficient techniques to determine the latter directly from string-amplitude calculations. As an illustration of these methods, we compute the dependence of the type-IIB action on the three- and five-form
doi:10.1088/0264-9381/21/6/022
fatcat:x7fddyqxhraufhp5lcdosoak4y