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M-Theory on Eight-Manifolds | | Katrin Becker
; Melanie Becker
; | | Date: |
8 May 1996 | | Journal: | Nucl.Phys. B477 (1996) 155-167 | | Subject: | hep-th | | Abstract: | We show that in certain compactifications of ${cal M}$-theory on eight-manifolds to three-dimensional Minkowski space-time the four-form field strength can have a non-vanishing expectation value, while an $N=2$ supersymmetry is preserved. For these compactifications a warp factor for the metric has to be taken into account. This warp factor is non-trivial in three space-time dimensions due to Chern-Simons corrections to the fivebrane Bianchi identity. While the original metric on the internal space is not Kähler, it can be conformally transformed to a metric that is Kähler and Ricci flat, so that the internal manifold has $SU(4)$ holonomy. | | Source: | arXiv, hep-th/9605053 | | Services: | Forum | Review | PDF | Favorites | |
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