Nested chirality and multimode transfer around exceptional points driven by external forces in electric circuits

Abstract Exceptional points (EPs) are non-Hermitian degeneracies or branch points where eigenvalues and their corresponding eigenvectors coalesce. Due to the complex non-trivial topology of Riemann surfaces associated with non-Hermitian Hamiltonians, the dynamical encirclement or proximity of EPs in...

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Bibliographic Details
Main Authors: Naiqiao Pan, Tian Chen, Xiangdong Zhang
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-025-01962-0
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