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Journal Article

Are there really any AdS_2 branes in the euclidean (or not) AdS_3?

MPS-Authors

Ponsot,  Benedicte
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

Silva,  Sebastian
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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3109.pdf
(Preprint), 129KB

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Citation

Ponsot, B., & Silva, S. (2002). Are there really any AdS_2 branes in the euclidean (or not) AdS_3? Physics Letters B, 551, 173-177.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-54A6-9
Abstract
We do not find any AdS_2 branes, neither in the H_3^+ WZNW model nor the SL(2,R) WZNW model. We then reexamine the case of the branes that possess a su(2) symmetry: we speculate that they would have to live on the boundary of AdS_3. This cannot be realized in an euclidean spacetime, but in the SL(2,R) WZNW model by analytical continuation.