On the Chemical Potential of Dark Energy

Details On the Chemical Potential of Dark Energy On the Chemical Potential of Dark Energy

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ara..conf..141p&link_type=abstract

ASTRONOMY AND RELATIVISTIC ASTROPHYSICS New Phenomena and New States of Matter in the Universe. Proceedings of the Third Worksho

Astronomy and Astrophysics

Astrophysics

Dark Energy, Chemical Potential

Scientific paper

It is widely assumed that the observed Universe is accelerating due to the existence of a new fluid component called dark energy. In this article, the thermodynamics consequences of a nonzero chemical potential on the dark energy component is discussed with special emphasis to the phantom fluid case. It is found that if the dark energy fluid is endowed with a negative chemical potential, the phantom field hypothesis becomes thermodynamically consistent with no need of negative temperatures as recently assumed in the literature.

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