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Analogue quantum simulation of the Hawking effect in a polariton superfluid

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arxiv 2201.02038 v2 pith:5OCQZNB5 submitted 2022-01-06 quant-ph cond-mat.quant-gasgr-qc

classification quant-phcond-mat.quant-gasgr-qc
keywords effecthawkingquantumemissionfluidhorizoncorrelatedcurved
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Quantum effects of fields on curved spacetimes may be studied in the laboratory thanks to quantum fluids. Here we use a polariton fluid to study the Hawking effect, the correlated emission from the quantum vacuum at the acoustic horizon. We show how out-of-equilibrium physics affects the dispersion relation, and hence the emission and propagation of correlated waves: the fluid properties on either side of the horizon are critical to observing the Hawking effect. We find that emission may be optimised by supporting the phase and density of the fluid upstream of the horizon in a regime of optical bistability. This opens new avenues for the observation of the Hawking effect in out-of-equilibrium systems as well as for the study of new phenomenology of fields on curved spacetimes.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Bayesian analysis of analog gravity systems with the Rezzolla-Zhidenko metric

    gr-qc 2025-01 conditional novelty 6.0 of 10

    Bayesian MCMC inference over Rezzolla-Zhidenko metric parameters can recover the injected analog black hole spacetime from the full time-domain ringdown signal, at least in closed-loop simulations.

  2. Quantum correlations in a gravitational collapse simulation with SpheriCo.jl

    gr-qc 2024-12 conditional novelty 6.0 of 10

    SpheriCo.jl enables longer semiclassical collapse simulations and yields hints of non-trivial correlations of the scalar field across a dynamically formed apparent horizon.

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