Causality and the speed of sound

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dc.creatorEllis, George
dc.creatorMaartens, Roy
dc.creatorMacCallum, Malcolm
dc.date2007-03-25
dc.date2007-05-29
dc.date.accessioned2026-07-07T11:21:55Z
dc.date.available2026-07-07T11:21:55Z
dc.descriptionA usual causal requirement on a viable theory of matter is that the speed of sound be at most the speed of light. In view of various recent papers querying this limit, the question is revisited here. We point to various issues confronting theories that violate the usual constraint.
dc.descriptionv2: additional discussion on models that appear to have superluminal signal speeds; version to appear in GRG
dc.identifierhttps://arxiv.org/abs/gr-qc/0703121
dc.identifierhttp://arxiv.org/abs/gr-qc/0703121
dc.identifierGen.Rel.Grav.39:1651-1660,2007
dc.identifierdoi:10.1007/s10714-007-0479-2
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194407
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleCausality and the speed of sound
dc.typetext

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