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Acceleration in Weyl integrable spacetime

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arxiv 1301.5696 v1 pith:7CFFVTRR submitted 2013-01-24 gr-qc

John Miritzis This is my paper · ORCID
classification gr-qc
keywords weylfieldspacetimeintegrableacceleratedaccelerationcircumstanceconditions
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We study homogeneous and isotropic cosmologies in a Weyl spacetime. It is shown that in Weyl integrable spacetime, the corresponding scalar field may act as a phantom field. In this circumstance the Weyl field gives rise to a late accelerated expansion of the Universe for all initial conditions and for a wide range of the parameters.

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  1. Geometric formulation of $k$-essence and late-time acceleration

    gr-qc 2025-05 conditional novelty 6.0 of 10

    Integrable vectorial nonmetricity gravity is shown to be equivalent to purely kinetic quadratic k-essence, which fits late-time data as well as ΛCDM.

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