Enhanced energy harvesting near exceptional points in systems with (pseudo-)PT-symmetry

Optimising energy harvesting is relevant to a variety of micro and nanotechnologies with applications ranging from self powered nanodevices to microfluidic pumps in biological environments. Here, the authors show that an opportunely designed opto(/electro)-mechanical circuit can simultaneously demon...

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Auteurs principaux: Lucas J. Fernández-Alcázar, Rodion Kononchuk, Tsampikos Kottos
Format: article
Langue:EN
Publié: Nature Portfolio 2021
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Accès en ligne:https://doaj.org/article/f748008f62e74d91810c94aab515b53f
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Résumé:Optimising energy harvesting is relevant to a variety of micro and nanotechnologies with applications ranging from self powered nanodevices to microfluidic pumps in biological environments. Here, the authors show that an opportunely designed opto(/electro)-mechanical circuit can simultaneously demonstrate high efficiency and power production when operating in the vicinity of an exceptional point degeneracy implemented via a pseudo-PT symmetry.