Thermal-energy in robertson-walker universes



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Ruiz Ruiz, Fernando (1989) Thermal-energy in robertson-walker universes. Physics Letters B, 219 (4). pp. 408-412. ISSN 0370-2693

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The covariant functional Schrödinger formalism is used to study thermal equilibrium for a scalar field in Robertson Walker spacetimes. It is found that thermal equilibrium can be maintained for field masses, coupling constants and geometries satisfying a given differential equation, of which the massless conformally coupled case is a solution, but not the only one. The thermal energy is computed; it contains a term which for particular geometries, such as de Sitter spacetime, grows in time.

Item Type:Article
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Copyright © 1989 Published by Elsevier B.V.

Uncontrolled Keywords:Physics, Multidisciplinary
Subjects:Sciences > Physics
ID Code:25521
Deposited On:22 May 2014 12:25
Last Modified:22 May 2014 12:25

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