Jarzynski equation for the expansion of a relativistic gas and black-body radiation

Roman Nolte and Andreas Engel

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 18, 3752-3758

Abstract: Generalizing the work of Lua and Grosberg [R.C. Lua, A.Y. Grosberg, J. Phys. Chem. B 109 (2005) 6805], we verify the validity of the Jarzynski equation for the non-equilibrium expansion of an ideal relativistic gas and black-body radiation, respectively. The upper limit for the speed of the particles allows one to choose the parameters of the problem such that no multiple collisions need to be taken into account. Although related, the two cases considered differ from each other due to the quantum nature of photons. We show that bunching of photons is crucial for the Jarzynski equation to hold.

Keywords: Jarzynski equation; Relativistic gas; Photon gas; Bunching (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:18:p:3752-3758

DOI: 10.1016/j.physa.2009.05.041

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