Signatures of Rotating Black Holes in Quantum Superposition
- URL: http://arxiv.org/abs/2310.10864v1
- Date: Mon, 16 Oct 2023 22:24:21 GMT
- Title: Signatures of Rotating Black Holes in Quantum Superposition
- Authors: Cendikiawan Suryaatmadja, Cemile Senem Arabaci, Matthew P. G. Robbins,
Joshua Foo, Magdalena Zych, Robert B. Mann
- Abstract summary: We show that a two-level system interacting with a quantum field residing in the spacetime exhibits resonant peaks in its response at certain values of the superposed masses.
Our results suggest that deeper insights into quantum-gravitational phenomena may be accessible via tools in relativistic quantum information and curved spacetime quantum field theory.
- Score: 0.09118034517251884
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A new approach for operationally studying the effects of spacetime in quantum
superpositions of semiclassical states has recently been proposed by some of
the authors. This approach was applied to the case of a (2+1)-dimensional
Ba\~nados-Teitelboim-Zanelli (BTZ) black hole in a superposition of masses,
where it was shown that a two-level system interacting with a quantum field
residing in the spacetime exhibits resonant peaks in its response at certain
values of the superposed masses. Here, we extend this analysis to a
mass-superposed rotating BTZ black hole, considering the case where the
two-level system co-rotates with the black hole in a superposition of
trajectories. We find similar resonances in the detector response function at
rational ratios of the superposed outer horizon radii, specifically in the case
where the ratio of the inner and outer horizons is fixed. This suggests a
connection with Bekenstein's seminal conjecture concerning the discrete horizon
spectra of black holes in quantum gravity, generalized to the case of rotating
black holes. Our results suggest that deeper insights into
quantum-gravitational phenomena may be accessible via tools in relativistic
quantum information and curved spacetime quantum field theory.
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