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Four-derivative couplings via the T-duality invariance constraint

Mohammad R. Garousi
Phys. Rev. D 99, 126005 – Published 12 June 2019

Abstract

We examine the proposal that the dimensional reduction of the effective action of perturbative string theory on a circle should be invariant under T-duality transformations. The T-duality transformations are the standard Buscher rules plus some higher covariant derivatives. By explicit calculations at order α for metric, dilaton, and B-field, we show that the T-duality constraint can fix both the effective action and the higher derivative corrections to the Buscher rules up to an overall factor. The corrections depend on the scheme that one uses for the effective action. We have found the effective action and its corresponding T-duality transformations in an arbitrary scheme.

  • Received 8 May 2019

DOI:https://doi.org/10.1103/PhysRevD.99.126005

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Mohammad R. Garousi*

  • Department of Physics, Faculty of Science, Ferdowsi University of Mashhad, P.O. Box 1436, Mashhad, Iran

  • *garousi@um.ac.ir

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Issue

Vol. 99, Iss. 12 — 15 June 2019

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