Spinning fluids in general relativity

Details Spinning fluids in general relativity Spinning fluids in general relativity

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvd..26.2619r&link_type=abstract

Physical Review D - Particles and Fields, 3rd Series, vol. 26, Nov. 15, 1982, p. 2619-2622.

Physics

46

Angular Momentum, Relativity, Rotating Fluids, Spin Dynamics, Einstein Equations, Lagrange Multipliers, Universe, Variational Principles

Scientific paper

General relativity field equations are employed to examine a continuous medium with internal spin. A variational principle formerly applied in the special relativity case is extended to the general relativity case, using a tetrad to express the spin density and the four-velocity of the fluid. An energy-momentum tensor is subsequently defined for a spinning fluid. The equations of motion of the fluid are suggested to be useful in analytical studies of galaxies, for anisotropic Bianchi universes, and for turbulent eddies.

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