The Einstein static universe with torsion and the sign problem of the cosmological constant

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dc.creatorBoehmer, Christian G.
dc.date2003-10-10
dc.date2006-02-04
dc.date.accessioned2026-07-07T06:35:02Z
dc.date.available2026-07-07T06:35:02Z
dc.descriptionIn the field equations of Einstein-Cartan theory with cosmological constant a static spherically symmetric perfect fluid with spin density satisfying the Weyssenhoff restriction is considered. This serves as a rough model of space filled with (fermionic) dark matter. From this the Einstein static universe with constant torsion is constructed, generalising the Einstein Cosmos to Einstein-Cartan theory. The interplay between torsion and the cosmological constant is discussed. A possible way out of the cosmological constant's sign problem is suggested.
dc.description8 pages, LaTeX; minor layout changes, typos corrected, one new equation, new reference [5], completed reference [13], two references added
dc.identifierhttps://arxiv.org/abs/gr-qc/0310058
dc.identifierhttp://arxiv.org/abs/gr-qc/0310058
dc.identifierClass.Quant.Grav. 21 (2004) 1119-1124
dc.identifierdoi:10.1088/0264-9381/21/4/025
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/99696
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleThe Einstein static universe with torsion and the sign problem of the cosmological constant
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