Stable Non-Supersymmetric Vacua in the Moduli Space of Non-Critical Superstrings
arXiv:hep-th/0605192 · doi:10.1016/j.nuclphysb.2006.09.020
Abstract
We study a set of asymmetric deformations of non-critical superstring theories in various dimensions. The deformations arise as Kaehler and complex structure deformations of an orthogonal two-torus comprising of a parallel and a transverse direction in the near-horizon geometry of NS5-branes. The resulting theories have the following intriguing features: Spacetime supersymmetry is broken in a continuous fashion and the masses of the lightest modes are lifted. In particular, no bulk or localized tachyons are generated in the non-supersymmetric vacua. We discuss the effects of these deformations in the context of the holographic duality between non-critical superstrings and Little String Theories and find solutions of rotating fivebranes in supergravity. We also comment on the generation of a one-loop cosmological constant and determine the effects of the one-loop backreaction to leading order.
arXiv commentlanlmac, 41 pages, 1 figure; v2 an erroneous statement corrected in section 6, version published in NPB
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- Spin-field Interaction Effects and Loop Dynamics in AdS/CFT Duality
- An Alternative for Moduli Stabilisation
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