Observer frame rotation rates and magnetic fields in spatially homogeneous universes

Observer frame rotation rates and magnetic fields in spatially homogeneous universes

We discuss how the rotation of an observer’s Cartesian reference frame is related to the precession of the shear tensor’s principal axes and to the rotation vector of the fluid. An approximate solution of Einstein’s equations illuminates this relationship further. In the case with a magnetic field a...

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Veröffentlicht in:J. Math. Phys. (N.Y.); (United States) 1981-01, Vol.22 (1), p.126-132
1. Verfasser: Fennelly, A. J.
Format: Artikel
Sprache:eng
Schlagworte:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COORDINATES
COSMOLOGICAL MODELS
EINSTEIN FIELD EQUATIONS
EQUATIONS
FIELD EQUATIONS
FLUID FLOW
MAGNETIC FIELDS
MATHEMATICAL MODELS
MOTION 640106 > Astrophysics & Cosmology-- Cosmology
ROTATION
UNIVERSE
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Beschreibung
Zusammenfassung:We discuss how the rotation of an observer’s Cartesian reference frame is related to the precession of the shear tensor’s principal axes and to the rotation vector of the fluid. An approximate solution of Einstein’s equations illuminates this relationship further. In the case with a magnetic field and fluid flow a vorticity is allowed in Bianchi I cosmologies.
ISSN:0022-2488
1089-7658
DOI:10.1063/1.524743