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arxiv: cond-mat/9801308 · v4 · submitted 1998-01-29 · ❄️ cond-mat · gr-qc· hep-ph· hep-th

Event horizons and ergoregions in 3He

T.A. Jacobson , G.E. Volovik This is my paper
classification ❄️ cond-mat gr-qchep-phhep-th
keywords eventhorizonsmovingergoregionshe-aquasiparticlessolitonsuperfluid
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Event horizons for fermion quasiparticles naturally arise in moving textures in superconductors and Fermi superfluids. We discuss the example of a planar soliton moving in superfluid 3He-A, which is closely analogous to a charged rotating black hole. The moving soliton will radiate quasiparticles via the Hawking effect at a temperature of about 5 \mu K, and via vacuum polarization induced by the effective `electromagnetic field' and `ergoregion'. Superfluid 3He-A thus appears to be a useful system for experimental and theoretical simulations of quantum effects related to event horizons and ergoregions.

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  1. Exploring Event Horizons and Hawking Radiation through Deformed Graphene Membranes

    cond-mat.mes-hall 2019-07 unverdicted novelty 5.0

    Simulations indicate that negative-curvature graphene membranes can form stable analogue horizons whose local density of states exhibits thermal character at a few tens of Kelvin.