Exact solutions for the interacting tachyonic-dark matter system
classification
🌌 astro-ph
gr-qchep-phhep-th
keywords
exactinteractingmattersolutionsacceleratedarisescoincidencecold
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We find exact solutions leading to power law accelerated expansion for a homogeneous, isotropic and spatially flat universe, dominated by an interacting mixture of cold dark matter and a tachyonic field such that the ratio of the energy densities of both components at late times is constant and no coincidence problem arises.
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