Interacting Tachyonic Scalar Field
COMMUNICATIONS IN THEORETICAL PHYSICS(2021)
摘要
We discuss the coupling between dark energy and matter by considering a homogeneous tachyonic scalar field as a candidate for dark energy. We obtained the functional form of scale factor by assuming that the coupling strength depends linearly on the Hubble parameter and energy density. We also estimated the cosmic age of the Universe for different values of coupling constant.
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关键词
dark energy, dark matter, scalar field, tachyonic scalar field
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