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NUMBER C18019
AUTHOR Jo, Junghyo,Hyeon, Changbong
TITLE Thermodynamic uncertainty relation of interacting oscillators in synchrony
ARCHIVE arXiv:1804.10362
FILE  
JOURNAL PHYSICAL REVIEW E, 2018
ABSTRACT The thermodynamic uncertainty relation sets the minimal bound of the cost-precision tradeoff relation for dissipative processes. Examining the dynamics of an internally coupled system that is driven by a constant thermodynamic force, we, however, find that the tradeoff relation of a subsystem is not constrained by the minimal bound of conventional uncertainty relation. We made our point explicit by using an exactly solvable model of interacting oscillators. As the number (N) of interacting oscillators increases, the uncertainty bound of individual oscillators is reduced to 2k(B)T/N upon full synchronization under strong coupling. The cost-precision tradeoff for interacting subsystems is particularly relevant for subcellular processes where interactions among multiple energy-expending components lead to emergence of collective dynamics.
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