Abstract
We compute energy gaps and study infalling massive geodesic probes in the new families of scaling, microstate geometries that have been constructed recently and for which the holographic duals are known. We find that in the deepest geometries, which have the lowest energy gaps, the geodesic deviation shows that the stress reaches the Planck scale long before the probe reaches the cap of the geometry. Such probes must therefore undergo a stringy transition as they fall into microstate geometry. We discuss the scales associated with this transition and comment on the implications for scrambling in microstate geometries.
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ArXiv ePrint: 1710.09006
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Tyukov, A., Walker, R. & Warner, N.P. Tidal stresses and energy gaps in microstate geometries. J. High Energ. Phys. 2018, 122 (2018). https://doi.org/10.1007/JHEP02(2018)122
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DOI: https://doi.org/10.1007/JHEP02(2018)122