Gauge dependence of the AdS instability problem
arXiv:1607.08094 · doi:10.1103/PhysRevD.94.124008
Abstract
Previous work on the AdS instability problem within the two-time framework (TTF) has found an "oscillating singularity" whose presence depends on the gauge choice. We give a physical interpretation of this singularity as a diverging redshift between the boundary and the center of AdS. This signals a genuine breakdown of the linearized gravity. One can also identify the diverging redshift through a back-reaction calculation purely in the boundary gauge, where the TTF result stays regular.
12 pages; v2: references added and minor typos were fixed, v3: Resubmitted to match the journal version, minor typos were fixed
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Cited by in corpus (8)
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- A proof of the instability of AdS for the Einstein--null dust system with an inner mirror
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