Thermodynamic uncertainty relations for many-body systems with fast jump rates and large occupancies
arXiv:2108.09979 · doi:10.1103/PhysRevE.104.064141
Abstract
A universal large theory of nonequilibrium fluctuations emerges in the limit of fast jump rates and large occupancies. We use this theory to derive a set of coarse grained thermodynamic uncertainty relations (TUR) -- one of them being an activity bound. Importantly, the activity serves as a tighter bound for the entropy production in 1D systems. These results are particularly useful in the many-body regime, where typically a coarse grained approach is required to handle the large microscopic state space.
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