Event horizons and ergoregions in 3He

T.A. Jacobson, G.E. Volovik

    Research output: Contribution to journalArticleScientificpeer-review

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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 a 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 μK, and via vacuum polarization induced by the effective “electromagnetic field” and “ergoregion.” The superfluid 3He−A thus appears to be a useful system for experimental and theoretical simulations of quantum effects related to event horizons and ergoregions.
    Original languageEnglish
    Article number064021
    Pages (from-to)1-7
    JournalPhysical Review D
    Issue number6
    Publication statusPublished - 1998
    MoE publication typeA1 Journal article-refereed


    • fermion quasiparticles
    • superconductor
    • superfluid


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