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The influence of spacetime curvature on quantum emission in optical analogues to gravity

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arxiv 2001.05807 v2 pith:GIQFZ4GI submitted 2020-01-16 gr-qc cond-mat.otherquant-ph

Maxime J Jacquet , Friedrich Koenig This is my paper · ORCID
classification gr-qccond-mat.otherquant-ph
keywords quantumcurvatureemissioncorrelationscurvedentanglementfluxgravity
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Quantum fluctuations on curved spacetimes cause the emission of pairs of particles from the quantum vacuum, as in the Hawking effect from black holes. We use an optical analogue to gravity to investigate the influence of the curvature on quantum emission. Due to dispersion, the spacetime curvature varies with frequency here. We analytically calculate for all frequencies the particle flux, correlations and entanglement. We find that horizons increase the flux with a characteristic spectral shape. The photon number correlations transition from multi- to two-mode, with close to maximal entanglement. The quantum state is a diagnostic for the mode conversion in laboratory tests of quantum field theory 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. Toward the Observation of Entangled Pairs in BEC analogue Expanding Universes

    gr-qc 2024-11 conditional novelty 6.0 of 10

    Repeated expansion-contraction cycles in a BEC analogue universe should make phonon-pair entanglement detectable at about 2 sigma now and above 3.3 sigma with modest upgrades.

  2. Analytical description of quantum emission in optical analogues to gravity

    quant-ph 2019-08 conditional novelty 6.0 of 10

    An analytic scattering-matrix calculation yields the spectra and photon-number correlations of spontaneous emission from a moving refractive index front in a dispersive dielectric.

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