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Dynamics of Interacting Tachyonic Teleparallel Dark Energy
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We consider a tachyon scalar field which is nonminimally coupled to gravity in the framework of teleparallel gravity. We analyze the phase-space of the model, known as tachyonic teleparallel dark energy, in the presence of an interaction between dark energy and background matter. We find that although there exist some late-time accelerated attractor solutions, there is no scaling attractor. So, unfortunately interacting tachyonic teleparallel dark energy cannot alleviate the coincidence problem.
Title: Dynamics of Interacting Tachyonic Teleparallel Dark Energy
Description:
We consider a tachyon scalar field which is nonminimally coupled to gravity in the framework of teleparallel gravity.
We analyze the phase-space of the model, known as tachyonic teleparallel dark energy, in the presence of an interaction between dark energy and background matter.
We find that although there exist some late-time accelerated attractor solutions, there is no scaling attractor.
So, unfortunately interacting tachyonic teleparallel dark energy cannot alleviate the coincidence problem.
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