Near-extremal limits of warped black holes
Near-extremal limits of warped black holes
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DOI:
10.21468/scipostphys.15.3.083
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发表时间:
2023-04
期刊:
影响因子:
5.5
通讯作者:
Ankit Aggarwal;A. Castro;S. Detournay;Beatrix Muhlmann
中科院分区:
文献类型:
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作者:
Ankit Aggarwal;A. Castro;S. Detournay;Beatrix Muhlmann
A holographic description of three-dimensional warped black holes suffers from ambiguities due to a seemingly harmless choice of coordinate system. This gives rise to the notion of ensembles in warped black holes, and we focus on two of them: the canonical and quadratic ensemble. Our aim is to quantify the imprint of these ensembles in the near-extremal limit of a warped black hole. To this end, for each ensemble, we explore the thermodynamic response and evaluate greybody factors. We also set-up a holographic dictionary in their near-AdS_22 region, and decode aspects of the dual near-CFT_11. This gives us different perspectives of the black hole that we can contrast and compare. On the one hand, we find perfect agreement between the near-extremal limit of the canonical ensemble warped black holes, their near-AdS_22 effective analysis, and a warped conformal field theory description. On the other, we are led to rule out the quadratic ensemble due to inconsistencies at the quantum level with the near-AdS_22 effective description.