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math.AP2025
Subwavelength resonances in two-dimensional elastic media with high contrast
Yuanchun Ren, Yixian Gao
This paper employs layer potential techniques to investigate wave scattering in two-dimensional elastic media exhibiting high contrasts in both Lamé parameters and density. Our con…
math.AP2025
Construction of Exceptional Points in Time-Modulated High-Contrast Elastic Media
Yixian Gao, Shuguan Ji, Shangling Song
Spatially periodic elastic metamaterials, comprising hard inclusions within a soft matrix in -dimensional space (), exhibit a rich spectrum of physical phenomena. This…
math.AP2025
Subwavelength Phononic Bandgaps in High-Contrast Elastic Media
Yuanchun Ren, Bochao Chen, Yixian Gao +1
Inspired by [25], this paper investigates subwavelength bandgaps in phononic crystals consisting of periodically arranged hard elastic materials embedded in a soft elastic backgrou…