Reference : Collective effects enhancing power and efficiency
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
Collective effects enhancing power and efficiency
Vroylandt, Hadrien* mailto []
Verley, Gatien* mailto []
Esposito, Massimiliano mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
* These authors have contributed equally to this work.
[en] Energy conversion is most efficient for micro or nano machines with tight coupling
between input and output power. To reach meaningful amounts of power, ensembles of N such
machines must be considered. We use a model system to demonstrate that interactions between
N tightly coupled nanomachines can enhance the power output per machine. Furthermore, while
interactions break tight coupling and thus lower efficiency in finite ensembles, the macroscopic limit
(N → ∞) restores it and enhances both the efficiency and the output power per nanomachine.

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