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gr-qc2026
Analytic detector responses and entanglement in constant-curvature spacetimes
Dyuman Bhattacharya, Jiayue Yang, Ming Zhang +1
We derive analytic response functions for Unruh--DeWitt detectors coupled to real, massless, conformally coupled scalar fields, to distinguish the effects of the field spectrum and…
hep-th2026
Finite stress-tensor moment tomography of boundary-graviton coherences
Dyuman Bhattacharya, Robert B. Mann
Einstein gravity in 2+1 dimensions is a topological theory that does not admit the existence of local bulk gravitons. However, gravity with Brown-Henneaux boundary…
hep-th2026
Probing holographic conformal field theories
Ming Zhang, Jiayue Yang, Dyuman Bhattacharya +1
We embed relativistic quantum information protocols in AdS/CFT: an Unruh-DeWitt detector coupled to a local primary of a holographic CFT has a reduced state fixed by the universal…