Johannes Kerimo et al JHEP10(2004)034 doi:10.1088/1126-6708/2004/10/034
Supergravities with Minkowski × sphere vacua
Johannes Kerimo1, Hong Lü1, Christopher N. Pope1 and James T. Liu2
Show affiliationsRecently the authors have introduced a new gauged supergravity theory with a positive definite potential in D = 6, obtained through a generalised Kaluza-Klein reduction from D = 7. Of particular interest is the fact that this theory admits certain Minkowski × Sphere vacua. In this paper we extend the previous results by constructing gauged supergravities with positive definitive potentials in diverse dimensions, together with their vacuum solutions. In addition, we prove the supersymmetry of the generalised reduction ansatz. We obtain a supersymmetric solution with no form-field fluxes in the new gauged theory in D = 9. This solution may be lifted to D = 10, where it acquires an interpretation as a time-dependent supersymmetric cosmological solution supported purely by the dilaton. A further uplift to D = 11 yields a solution describing a pp-wave.
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E-print Number: hep-th/0402223
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- PACS
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04.50.-h Higher-dimensional gravity and other theories of gravity
11.27.+d Extended classical solutions; cosmic strings, domain walls, texture
- Subjects
- Dates
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Issue 10 (October 2004)
Received 2 August 2004, accepted for publication 14 October 2004
Published 12 November 2004
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Supergravities with Minkowski × sphere vacua
Johannes Kerimo et al JHEP10(2004)034
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