Equation of state (cosmology)

Equation of state (cosmology)

Jesse Russell Ronald Cohn

     

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ISBN: 978-5-5126-3738-8

High Quality Content by WIKIPEDIA articles! In cosmology, the equation of state of a perfect fluid is characterized by a dimensionless number , equal to the ratio of its pressure to its energy density : . It is closely related to the thermodynamic equation of state and ideal gas law.