Thermodynamic uncertainty relation (TUR): Var(J)/<J>^2 >= 2*k_B/<Sigma> via large-deviations

Layer 1 — Physicsin the quantum-thermodynamics subtree

Thermodynamic uncertainty relation (Barato-Seifert 2015, Gingrich-Horowitz-Barato-England 2016). Setup: a non-equilibrium steady-state current J (e.g., particle current through a membrane, chemical flux) with mean <J> and variance Var(J),…

Related concepts

Large deviations & Cramér theorem
TUR saturation at minimal dissipation: Var(J) = 2*k_B*<J>^2/<Sigma>; ratio = 2*k_B/<Sigma>

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