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  De Sitter vacua from N=2 gauged supergravity

Behrndt, K., & Mahapatra, S. (2004). De Sitter vacua from N=2 gauged supergravity. Journal of High Energy Physics, 2004(1): 068.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-50D3-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-50D5-0
Genre: Journal Article

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59723.pdf (Preprint), 273KB
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 Creators:
Behrndt, Klaus1, Author
Mahapatra, Swapna, Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: Typical de Sitter (dS) vacua of gauged supergravity correspond to saddle points of the potential and often the unstable mode runs into a singularity. We explore the possibility to obtain dS points where the unstable mode goes on both sides into a supersymmetric smooth vacuum. Within N=2 gauged supergravity coupled to the universal hypermultiplet, we have found a potential which has two supersymmetric minima (one of them can be flat) and these are connected by a de Sitter saddle point. In order to obtain this potential by an Abelian gauging, it was important to include the recently proposed quantum corrections to the universal hypermultiplet sector. Our results apply to four as well as five dimensional gauged supergravity theories.

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 59723
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2004 (1) Sequence Number: 068 Start / End Page: - Identifier: -