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- W1521377183 abstract "The physical implications of the Raychaudhuri equation for a spinning fluid in a Riemann-Cartan spacetime is developed and discussed using the self-consistent Lagrangian based formulation for the Einstein-Cartan theory. It was found that the spin-squared terms contribute to expansion (inflation) at early times and may lead to a bounce in the final collapse. The relationship between the fluid's vorticity and spin angular velocity is clarified and the effect of the interaction terms between the spin angular velocity and the spin in the Raychaudhuri equation investigated. These results should prove useful for studies of systems with an intrinsic spin angular momentum in extreme astrophysical or cosmological problems." @default.
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- W1521377183 date "1988-01-01" @default.
- W1521377183 modified "2023-09-23" @default.
- W1521377183 title "Raychaudhuri equation in the self-consistent Einstein-Cartan theory with spin-density" @default.
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