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Observation of thermal Hawking radiation at the Hawking temperature in an analogue black hole

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arxiv 1809.00913 v2 pith:EG3CWYD4 submitted 2018-09-04 gr-qc cond-mat.quant-gas

classification gr-qccond-mat.quant-gas
keywords hawkinganalogueblackholeradiationtemperaturespectrumthermal
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We measure the correlation spectrum of the Hawking radiation emitted by an analogue black hole and find it to be thermal at the Hawking temperature implied by the analogue surface gravity. The Hawking radiation is in the regime of linear dispersion, in analogy with a real black hole. Furthermore, the radiation inside of the black hole is seen to be composed of negative-energy partners only. This work confirms the prediction of Hawking's theory regarding the value of the Hawking temperature, as well as the thermality of the spectrum. The thermality of Hawking radiation is the root of the information paradox. The correlations between the Hawking and partner particles imply that the analogue black hole has no analogue firewall.

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Cited by 6 Pith papers

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

  1. Doppler shifted Hawking radiation from acoustic black holes in ultra-relativistic heavy-ion collisions

    hep-ph 2025-09 conditional novelty 6.0 of 10

    Even when the central flow is boost invariant, large-rapidity deviations can slow the acoustic horizon's recession, giving finite redshift Hawking radiation that may affect momentum distributions.

  2. Robustness of analogue Hawking radiation in cavities with moving boundaries

    quant-ph 2025-07 conditional novelty 6.0 of 10

    Thermal Hawking-like radiation in moving-mirror cavities is robust only for selected expanding configurations and low frequencies; all other configurations tested show non-thermal spectra.

  3. Analogue simulation of quantum gravity black hole models in a dc-SQUID array

    physics.gen-ph 2025-07 conditional novelty 5.0 of 10

    The authors derive the magnetic flux patterns a dc-SQUID array would need to simulate light propagation in a bouncing black-hole-white-hole spacetime, and argue the downstream configuration is the more practical one.

  4. Simulating Hawking radiation in quantum many-body systems: deviations from the thermal spectrum

    gr-qc 2025-02 conditional novelty 5.0 of 10

    A bosonic hopping model that emulates quantum fields in curved spacetime is shown to reproduce the non-thermal E^2 corrections to Hawking radiation predicted by the tunneling method.

  5. Analog charged black hole formation via percolation: Exploring cosmic censorship and Hoop conjecture

    gr-qc 2025-02 reject novelty 4.0 of 10

    A Fock-space percolation model of a chiral spin chain is claimed to reproduce charged-black-hole scaling exponents, with exponential cluster growth proposed as the key formation criterion.

  6. Dynamical analog spacetimes from nonlinear perturbations in a topological material

    gr-qc 2025-07 reject novelty 3.0 of 10

    A nonlinear acoustic metric and microkelvin Hawking temperature are claimed for Berry-curvature-modified graphene electron flow, but the derivation is incomplete and the temperature has inconsistent units.

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