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Thermal equilibrium in Einstein’s elevator


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Author: Sánchez-Rey, Bernardo
Chacón-Acosta, Guillermo
Dagdug, Leonardo
Cubero, David
Department: Universidad de Sevilla. Departamento de Física Aplicada I
Date: 2013
Published in: Physical Review E, 87(5), 052121:1-7
Document type: Article
Abstract: We report fully relativistic molecular-dynamics simulations that verify the appearance of thermal equilibrium of a classical gas inside a uniformly accelerated container. The numerical experiments confirm that the local momentum distribution in this system is very well approximated by the Jüttner function—originally derived for a flat spacetime—via the Tolman-Ehrenfest effect. Moreover, it is shown that when the acceleration or the container size is large enough, the global momentum distribution can be described by the so-called modified Jüttner function, which was initially proposed as an alternative to the Jüttner function.
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DOI: 10.1103/PhysRevE.87.052121

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