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- W1577965983 abstract "A rotating universe represented by the G{o}del metric in spacetimes with Cartan torsion is investigated where the Cosmic Microwave Background Radiation (CMBR) is computed from the G{o}del rotation of the universe and the spin density of the spinning fluid in Einstein-Cartan gravity.The autoparallel equation in Riemann-Cartan spacetime is shown to lead to the evolution equation of the cosmological perturbation where the spin-rotation coupling is the source of the growth of inhomogeneities.It is shown that temperature anisotropy is within the limits of COBE constraint yielding a value of $frac{{delta}T}{T}=10^{-7}$.This result opens the possibility of testing Einstein-Cartan gravity from a cosmological experiment such as PLANCK or MAP." @default.
- W1577965983 created "2016-06-24" @default.
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- W1577965983 date "2000-11-26" @default.
- W1577965983 modified "2023-09-27" @default.
- W1577965983 title "CMBR in Gödel Universe:A possible test to Einstein-Cartan gravity?" @default.
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