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arXiv · 0910.5462

Comment on "w and w' of scalar field models of dark energy" [arXiv:astro-ph/0510598]

Chien-Wen Chen·Je-An Gu·Pisin Chen
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Abstract

We comment on the calculation mistake in the paper "w and w' of scalar field models of dark energy" by Takeshi Chiba [arXiv:astro-ph/0510598], where w is the dark energy equation of state and w' is the time derivative of w in units of the Hubble time. The author made a mistake while rewriting the phantom equation of motion, which led to an incorrect generic bound for the phantom model and an incorrect bound for the tracker phantom model on the w-w' plane.

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Chien-Wen Chen, Je-An Gu, Pisin Chen. 2009-10-28. Comment on "w and w' of scalar field models of dark energy" [arXiv:astro-ph/0510598]. https://arxiv.org/abs/0910.5462

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