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Weyl invariance for generalized supergravity backgrounds from the doubled formalism

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Title
Weyl invariance for generalized supergravity backgrounds from the doubled formalism
Author(s)
Jun-ichi Sakamoto; Yuho Sakatani; KentarohYoshida
Publication Date
2017-05
Journal
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, v., no.5, pp.053B07 -
Publisher
OXFORD UNIV PRESS INC
Abstract
It has recently been shown that a set of the generalized type IIB supergravity equations follows from the requirement of kappa symmetry of the type IIB Green-Schwarz superstring theory defined on an arbitrary background. In this paper, we show that the whole bosonic part of the generalized type II supergravity equations can be reproduced from the T-duality covariant equations of motion of the double field theory by choosing a non-standard solution of the strong constraint. Then, by using the doubled formalism, we show the Weyl invariance of the bosonic string sigma model on a generalized gravity background. According to the dual-coordinate dependence of the dilaton, the Fradkin-Tseytlin term nicely removes the Weyl anomaly. This result seems likely to support that string theories can be consistently defined on arbitrary generalized supergravity backgrounds © The Author(s) 2017.
URI
http://pr.ibs.re.kr/handle/8788114/4803
DOI
10.1093/ptep/ptx067
ISSN
2050-3911
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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