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Twelve-Dimensional Aspects of Four-Dimensional N=1 Type I Vacua | | Sergio Ferrara
; Massimo Bianchi
; Gianfranco Pradisi
; Augusto Sagnotti
; Yassen S. Stanev
; | | Date: |
13 Jul 1996 | | Journal: | Phys.Lett. B387 (1996) 64-70 | | Subject: | hep-th | | Affiliation: | CERN), Massimo Bianchi, Gianfranco Pradisi, Augusto Sagnotti, Yassen S. Stanev (Università di Roma ``Tor Vergata’’ | | Abstract: | Four-dimensional supergravity theories are reinterpreted in a 12-dimensional F-theory framework. The O(8) symmetry of N=8 supergravity is related to a reduction of F-theory on T_8, with the seventy scalars formally associated, by O(8) triality, to a fully compactified four-form A_4. For the N=1 type I model recently obtained from the type IIB string on the Z orbifold, we identify the Kähler manifold of the untwisted scalars in the unoriented closed sector with the generalized Siegel upper-half plane Sp(8,R)/(SU(4) imes U(1)). The SU(4) factor reflects the holonomy group of Calabi-Yau fourfolds. | | Source: | arXiv, hep-th/9607105 | | Services: | Forum | Review | PDF | Favorites | |
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