Matches in SemOpenAlex for { <https://semopenalex.org/work/W2499376471> ?p ?o ?g. }
- W2499376471 endingPage "460" @default.
- W2499376471 startingPage "424" @default.
- W2499376471 abstract "Abstract A black hole is the region from which the observer who is outside the hole cannot obtain any information. The event horizon represents the boundary of the black hole region. Analogs of the black hole horizon can be realised in such condensed matter where the effective metric arises for quasiparticles. The simplest way to do this is to exploit the liquids moving with velocities exceeding the local maximum attainable speed of quasiparticles. Then, an inner observer who uses only quasiparticles as a means of transferring the information, finds that some regions of space are not accessible for observation. For this observer, who lives in the quantum liquid, these regions are black holes. This chapter discusses different arrangement in superfluids, which may simulate the event horizons; the moving vierbein wall; Laval nozzle; and horizon emerging for ripplons at the interface between 3He-A and 3He-B. The effective Painlevé–Gullstrand metric, which naturally arises in moving superfluids, leads to the simple description of Hawking radiation in terms of quantum tunnelling of quasiparticles across the event horizon. This consideration is extended to the astronomical black holes. Black hole instability beyond the horizon and modified Dirac equation for fermions in the black hole environment are considered." @default.
- W2499376471 created "2016-08-23" @default.
- W2499376471 creator A5014010629 @default.
- W2499376471 date "2009-02-26" @default.
- W2499376471 modified "2023-09-23" @default.
- W2499376471 title "Analogs Of Event Horizon" @default.
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