Thermodynamic uncertainty relation of interacting oscillators in synchrony

Abstract

The thermodynamic uncertainty relation sets the minimal bound of the cost-precision trade-off 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 trade-off relation of a sub-system 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 trade-off for the sub-system is particularly relevant for sub-cellular processes where collective dynamics emerges from multiple energy-expending components interacting with each other.

arXiv comment8 pages, 3 figures, and a supplemental material

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• Thermodynamic cost, speed, fluctuations, and error reduction of biological copy machines
• Thermodynamic uncertainty relation for energy transport in transient regime -- Model study
• Entropy production and thermodynamic inference for stochastic microswimmers
• Internal energy and information flows mediate input and output power in bipartite molecular machines
• Thermodynamic cost of synchronizing a population of beating cilia
• Collective synchronization of dissipatively-coupled noise-activated processes
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• Thermodynamic uncertainty relations in a linear system
• Improved estimation for energy dissipation in biochemical oscillations
• Thermodynamic inference of correlations in nonequilibrium collective dynamics