Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2008-04-15
J. Stat. Mech (2008) P05008
Physics
Condensed Matter
Statistical Mechanics
9 pages, 0 figures
Scientific paper
10.1088/1742-5468/2008/05/P05008
In a recent work, Jarzynski and Wojcik (2004 Phys. Rev. Lett. 92, 230602) have shown by using the properties of Hamiltonian dynamics and a statistical mechanical consideration that, through contact, heat exchange between two systems initially prepared at different temperatures obeys a fluctuation theorem. Here, another proof is presented, in which only macroscopic thermodynamic quantities are employed. The detailed balance condition is found to play an essential role. As a result, the theorem is found to hold under very general conditions.
Abe Sumiyoshi
Sughiyama Yuki
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