Covariant odd entanglement entropy in AdS/CFT
arXiv:2312.12829 · doi:10.1140/epjp/s13360-025-06414-w
Abstract
We advance a covariant construction for the holographic odd entanglement entropy (OEE) of time dependent bipartite states in CFTs dual to bulk AdS geometries. In this context we obtain the OEE for bipartite states in zero, finite temperature and finite size CFTs dual to bulk pure AdS and BTZ black hole geometries through appropriate replica techniques. The replica technique results for the time dependent OEE are reproduced modulo constants in the large central charge limit through holographic computations involving the bulk entanglement wedge cross section (EWCS). Subsequently we obtain the time dependent OEE for bipartite states in zero and finite temperature CFTs with a conserved charge dual to bulk extremal and non-extremal rotating BTZ black holes through both field theory and covariant holographic computations which again match up to constants in the large central charge limit.
29 pages, no figures
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