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  • 1
    Electronic Resource
    Electronic Resource
    Thermodynamics and general relativity could determine the geometry of the universe (1987)
    Springer
    General relativity and gravitation 19 (1987), S. 899-906 
    Details
    ISSN: 1572-9532
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We introduce a suggestive model where certain quantities in Friedmann models are treated like their thermodynamic counterparts; temperature entropy, Gibbs energy, and so on. Within this model, changes in the symmetry of the universe are interpreted as first- or second-order phase transitions. The thermodynamics we introduce give us a new way of determining the geometry of the universe. By choosing a specific local equation of state (P=αρ), we show that with respect to the thermodynamics we have introduced, it is always more advantageous for the universe to be in a Bianchi V (open) symmetric state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00759294
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