Non-perturbative Supersymmetry Breaking and Finite Temperature Instabilities in N=4 Superstrings

Details Non-perturbative Supersymmetry Breaking and Finite Temperature Instabilities in N=4 Superstrings Non-perturbative Supersymmetry Breaking and Finite Temperature Instabilities in N=4 Superstrings

1999-08-20

arxiv.org/abs/hep-th/9908137v1

Physics

High Energy Physics

High Energy Physics - Theory

21 pages. Proceedings of the Corfu Summer Institute on Elementary Particle Physics, Corfu, Greece, September 1998

Scientific paper

We obtain the non-perturbative effective potential for the dual five-dimensional N=4 strings in the context of finite-temperature regarded as a breaking of supersymmetry into four space-time dimensions. Using the properties of gauged N=4 supergravity we derive the universal thermal effective potential describing all possible high-temperature instabilities of the known N=4 superstrings. These strings undergo a high-temperature transition to a new phase in which five-branes condense. This phase is described in detail, using both the effective supergravity and non-critical string theory in six dimensions. In the new phase, supersymmetry is perturbatively restored but broken at the non-perturbative level.

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