Target-Space Duality in Heterotic and Type I Effective Lagrangians

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dc.creatorLalak, Zygmunt
dc.creatorLavignac, Stéphane
dc.creatorNilles, Hans Peter
dc.date1999-12-21
dc.date.accessioned2026-07-07T11:36:26Z
dc.date.available2026-07-07T11:36:26Z
dc.descriptionWe study the implications of target-space duality symmetries for low-energy effective actions of various four-dimensional string theories. In the heterotic case such symmetries can be incorporated in simple orbifold examples. At present a similar statement cannot be made about the simplest type IIB orientifolds due to an obstruction at the level of gravitational anomalies. This fact confirms previous doubts concerning a conjectured heterotic-type IIB orientifold duality and shows that target-space symmetries can be a powerful tool in studying relations between various string theories at the level of the effective low-energy action. Contraints on effective Lagrangians from these symmetries are discussed in detail. In particular, we consider ways of extending T-duality to include additional corrections to the Kaehler potential in heterotic string models with N=2 subsectors.
dc.description30 pages, LaTeX2e
dc.identifierhttps://arxiv.org/abs/hep-th/9912206
dc.identifierhttp://arxiv.org/abs/hep-th/9912206
dc.identifierNucl.Phys.B576:399-429,2000
dc.identifierdoi:10.1016/S0550-3213(00)00132-2
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198921
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTarget-Space Duality in Heterotic and Type I Effective Lagrangians
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