Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3428
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dc.creatorBarceló, Carlos-
dc.creatorLiberati, Stefano-
dc.creatorSonego, Sebastiano-
dc.creatorVisser, Matt-
dc.date2008-04-03T01:11:29Z-
dc.date2008-04-03T01:11:29Z-
dc.date2006-07-03-
dc.date.accessioned2017-01-31T01:01:27Z-
dc.date.available2017-01-31T01:01:27Z-
dc.identifierPhys.Rev.Lett. 97 (2006) 171301-
dc.identifierarXiv:gr-qc/0607008v1-
dc.identifier0031-9007-
dc.identifierhttp://hdl.handle.net/10261/3428-
dc.identifier.urihttp://dspace.mediu.edu.my:8181/xmlui/handle/10261/3428-
dc.descriptionrevtex4, 4 pages, 1 figure.-- Final version of the paper available at: http://prl.aps.org/-
dc.descriptionWe discuss the issue of quasi-particle production by "analogue black holes" with particular attention to the possibility of reproducing Hawking radiation in a laboratory. By constructing simple geometric acoustic models, we obtain a somewhat unexpected result: We show that in order to obtain a stationary and Planckian emission of quasi-particles, it is not necessary to create a trapped region in the acoustic spacetime (corresponding to a supersonic regime in the fluid flow). It is sufficient to set up a dynamically changing flow asymptotically approaching a sonic regime with sufficient rapidity in laboratory time.-
dc.descriptionPeer reviewed-
dc.format133050 bytes-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherAmerican Physical Society-
dc.relationPreprint-
dc.rightsopenAccess-
dc.subjectGeneral Relativity and Quantum Cosmology-
dc.subjectHawking radiation-
dc.subjectTrapped regions-
dc.subjectHorizons-
dc.subjectAcoustic spacetimess-
dc.titleHawking-like radiation does not require a trapped region-
dc.typePre-print-
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