Dasgupta, Keshav ; Jatkar, Dileep P. ; Mukhi, Sunil (1998) Gravitational couplings and Z2 orientifolds Nuclear Physics - Section B: Particle Physics, Field Theory and Statistical Systems, Physical Mathematics, 523 (3). pp. 465-484. ISSN 0550-3213
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S05503...
Related URL: http://dx.doi.org/10.1016/S0550-3213(98)00155-2
Abstract
The interplay between gravitational couplings on branes and the occurrence of fractional flux in low-dimensional orientifolds is examined. It is argued that gravitational couplings need to be assigned not only to D-branes but also to orientifold planes. The fractional charges of the orientifold d-planes can be understood in terms of flux quantization of the d - 3 form potential and modified Bianchi identities. Detailed results are presented for the case of the type IIB orientifold on T6/Z2, which is dual to F-theory on a complex 4-fold with terminal singularities.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
Keywords: | Orientifolds |
ID Code: | 20850 |
Deposited On: | 20 Nov 2010 13:27 |
Last Modified: | 17 May 2016 05:07 |
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