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November 10, 2025Advanced Functional Materials

Non‐Hermitian Elastic Metabeams with Nonlinear and Nonlocal Coupling: Physical Realization and Topological Wave Manipulation

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Authors

HQHonghua QianJCJiaji ChenSWShaoyun Wang

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Overview

Analytical framework demonstrates Kerr nonlinearity allows multiple exceptional points in non‐Hermitian elastic systems, indicating new control avenues for dynamic wave functionalities.

Key Points

  • Results show multiple exceptional points linked to Kerr nonlinearity in elastic systems, enhancing non‐reciprocal propagation.
  • Key evidence includes analytical framework describing amplitude‐dependent wave dispersion and winding numbers in non‐Hermitian systems.
  • Study involves an analytical approach, highlighting piezoelectric elements connected to programmable electronic circuits.
  • Findings imply novel functionalities for next‐generation elastic systems, necessitating further exploration of nonlocal effects.

Cite This Study

Qian et al. (2025) studied this question.

synapsesocial.com/papers/69253a31c0ce034ddc3576fchttps://doi.org/10.1002/adfm.202518194
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