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Two fluid acoustic modes and inhomogeneous cosmologies

dc.contributor.authorKrisch, Jean P.en_US
dc.contributor.authorSmalley, Larry L.en_US
dc.date.accessioned2006-12-19T19:22:05Z
dc.date.available2006-12-19T19:22:05Z
dc.date.issued1993-12-01en_US
dc.identifier.citationKrisch, J P; Smalley, L L (1993). "Two fluid acoustic modes and inhomogeneous cosmologies." Classical and Quantum Gravity. 10(12): 2615-2623. <http://hdl.handle.net/2027.42/49192>en_US
dc.identifier.issn0264-9381en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/49192
dc.description.abstractThe weak discontinuities that can propagate in a relativistic two fluid system are examined and expressions obtained for their speed of propagation. The acoustic speeds and discontinuity amplitudes are described by their Frenet parameters. Both longitudinal and transverse acoustic modes are possible. The discontinuity in the two fluid anisotropy vector can be timelike, spacelike, or null. As an application we use the existence of two longitudinal modes to extend the fluid content of the inhomogeneous cosmologies discussed by Van den Bergh and Skea(1993). For their solution we find a family of two perfect fluids whose properties range from a dust-perfect-fluid set to two gamma =4/3 comoving perfect fluids.en_US
dc.format.extent3118 bytes
dc.format.extent333898 bytes
dc.format.mimetypetext/plain
dc.format.mimetypeapplication/pdf
dc.language.isoen_US
dc.publisherIOP Publishing Ltden_US
dc.titleTwo fluid acoustic modes and inhomogeneous cosmologiesen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationotherDept. of Phys., Michigan Univ., Ann Arbor, MI, USAen_US
dc.contributor.affiliationotherDept. of Phys., Michigan Univ., Ann Arbor, MI, USAen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/49192/2/cq931219.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1088/0264-9381/10/12/019en_US
dc.identifier.sourceClassical and Quantum Gravity.en_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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