Efficiency of isothermal molecular machines at maximum power
Christian Van den Broeck, Niraj Kumar, Katja Lindenberg
TL;DR
This paper derives bounds on the efficiency of isothermal molecular machines operating at maximum power, revealing conditions for optimal efficiency related to the position of the activated state.
Contribution
It introduces bounds for efficiency based on the location of the activated state, providing new insights into the operation of molecular machines at maximum power.
Findings
Upper efficiency bound when activated state is near fueling state
Lower efficiency bound when activated state is near product state
Efficiency depends on the position of the activated state
Abstract
We derive upper and lower bounds for the efficiency of an isothermal molecular machine operating at maximum power. The upper bound is reached when the activated state is close to the fueling or reactant state (Eyring-like), while the lower bound is reached when the activated state is close to the product state (Kramers-like).
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Taxonomy
TopicsAdvanced Thermodynamics and Statistical Mechanics · Machine Learning in Materials Science · Molecular Junctions and Nanostructures