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pro vyhledávání: '"Kim, EunHo"'
We theoretically investigate and experimentally demonstrate that genuine bound states in the continuum (BICs) -- polarization-protected BICs -- can be completely localized within finite-size solid resonators. This bound mode is realized in a highly t
Externí odkaz:
http://arxiv.org/abs/2410.16209
Beyond the constraints of conservative systems, altering wave propagation frequency emerges as a crucial factor across diverse physical domains. This Letter demonstrates bi-directional asymmetric frequency conversion -- either upward or downward -- d
Externí odkaz:
http://arxiv.org/abs/2408.09146
Band topology has emerged as a novel tool for material design across various domains, including photonic and phononic systems, and metamaterials. A prominent model for band topology is the Su-Schrieffer-Heeger (SSH) chain, which reveals topological i
Externí odkaz:
http://arxiv.org/abs/2405.13631
We propose an efficient method to build a simple discrete element model (DEM) that accurately simulates the oscillation of a continuum beam. The DEM is based on the Timoshenko beam theory of slender cylindrical members and their corresponding wave dy
Externí odkaz:
http://arxiv.org/abs/2205.14844
Publikováno v:
In International Journal of Solids and Structures 1 March 2025 309
Publikováno v:
In Mechanical Systems and Signal Processing 1 February 2025 224
Publikováno v:
In Polymer Testing June 2024 135
Publikováno v:
In Applied Mathematical Modelling January 2024 125 Part A:571-590
Akademický článek
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Publikováno v:
Phys. Rev. Lett. 123, 214301 (2019)
We present a gradient-index crystal that offers extreme tunability in terms of manipulating the propagation of elastic waves. For small-amplitude excitations, we achieve control over wave transmission depth into the crystal. We numerically and experi
Externí odkaz:
http://arxiv.org/abs/1905.03925