Exchange fluctuation theorem for heat transport between multi-terminal harmonic systems
arXiv:1308.1604 · doi:10.1103/PhysRevE.89.052101
Abstract
We study full counting statistics for transferred heat and entropy production between multi-terminal systems in absence of a finite junction. The systems are modelled as collections of coupled harmonic oscillators which are kept at different equilibrium temperatures and are connected via arbitrary time dependent couplings. Following consistent quantum framework and two-time measurement concept we obtain analytical expressions for the generalized cumulant generating function. We discuss transient and steady-state fluctuation theorems for the transferred quantities. We also address the effect of coupling strength on the exchange fluctuation theorem.
10 pages, 6 figures (accepted in Phys. Rev. E)
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