Higher-dimensional vacuum cosmologies.

dc.contributor.author	Abolghasem, Hossein.	en_US
dc.contributor.degree	Ph.D.	en_US
dc.date.accessioned	2014-10-21T12:37:24Z
dc.date.available	1998
dc.date.issued	1998	en_US
dc.description	Multi-dimensional spacetimes have recently been the source of many approaches towards the construction of a unified field theory. In this thesis, higher-dimensional cosmological models are discussed. In particular, 5-dimensional noncompactified vacuum solutions of Einstein's field equations are investigated. The possibility that the 4-dimensional properties of matter may be geometric in origin is discussed by studying whether the 5-dimensional vacuum fields equations reduce to Einstein's 4-dimensional theory with nonzero energy-momentum tensor constituting the material source. It is known that the 5-dimensional vacuum Einstein field equations (in which the metric is independent of the fifth dimension) give rise to the familiar radiation FRW cosmological model. However, it is of interest to study models with more general forms of matter. A variety of different higher-dimensional vacuum solutions have been found and these are discussed.	en_US
dc.description	Thesis (Ph.D.)--Dalhousie University (Canada), 1998.	en_US
dc.identifier.other	AAINQ36547	en_US
dc.identifier.uri	http://hdl.handle.net/10222/55557
dc.language	eng	en_US
dc.publisher	Dalhousie University	en_US
dc.publisher		en_US
dc.subject	Mathematics.	en_US
dc.subject	Physics, General.	en_US
dc.title	Higher-dimensional vacuum cosmologies.	en_US
dc.type	text	en_US

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