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A spatially homogeneous and isotropic Einstein-Dirac cosmology

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Finster, Felix ; Hainzl, Christian

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Date of publication of this fulltext: 14 May 2012 08:54


We consider a spatially homogeneous and isotropic cosmological model where Dirac spinors are coupled to classical gravity. For the Dirac spinors we choose a Hartree– Fock ansatz where all one-particle wave functions are coherent and have the same momentum. If the scale function is large, the universe behaves like the classical Friedmann dust solution. If however the scale function is small, ...


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