35 citations · 55 across the 18 of their papers we have counts for
20 papers
A Non-Decoupled Time-Domain Direct Sampling Method for Inverse Elastic Medium Scattering
Lefu Cai, Hongjie Li, Xianchao Wang
This work is concerned with an inverse medium problem for elastic waves, in which unknown inhomogeneities are reconstructed from time-resolved boundary measurements. We propose a n…
Minnaert resonances and higher-order acoustic modes for bubbles in a viscous fluid with surface tension
Habib Ammari, Xin Fu, Wenjia Jing +1
The aim of this paper is to account for viscosity, surface tension, and interactions between micro-bubbles in approximating their resonant behavior in the ultrasonic regime. Origin…
Mathematical analysis of transverse EM field concentration for adjacent obstacles with nonlocal boundary conditions in the quasistatic regime
Yueguang Hu, Hongjie Li, Hongyu Liu
This paper presents a rigorous mathematical analysis of transverse electromagnetic (EM) field concentration between two adjacent obstacles within the framework of the quasi-static…
A novel time-domain direct sampling approach for inverse scattering problems in acoustics
Yukun Guo, Hongjie Li, Xianchao Wang
This work is concerned with an inverse scattering problem of determining unknown scatterers from time-dependent acoustic measurements. A novel time-domain direct sampling method is…
Fano resonances in all-dielectric electromagnetic metasurfaces
Habib Ammari, Bowen Li, Hongjie Li +1
We are interested in the resonant electromagnetic (EM) scattering by all-dielectric metasurfaces made of a two-dimensional lattice of nanoparticles with high refractive indices. In…
Spectral properties of an acoustic-elastic transmission eigenvalue problem with applications
Huaian Diao, Hongjie Li, Hongyu Liu +1
We are concerned with a coupled-physics spectral problem arising in the coupled propagation of acoustic and elastic waves, which is referred to as the acoustic-elastic transmission…
Elastodynamical resonances and cloaking of negative material structures beyond quasistatic approximation
Hongjie Li, Hongyu Liu, Jun Zou
Given the flexibility of choosing negative elastic parameters, we construct material structures that can induce two resonance phenomena, referred to as the elastodynamical resonanc…
Invisibility enables super-visibility in electromagnetic imaging
Youzi He, Hongjie Li, Hongyu Liu +1
This paper is concerned with the inverse electromagnetic scattering problem for anisotropic media. We use the interior resonant modes to develop an inverse scattering scheme for im…
Minnaert resonances for bubbles in soft elastic materials
Hongjie Li, Hongyu Liu, Jun Zou
Minnaert resonance is a well known physical phenomenon and it has many important applications, in particular in the effective realisation of acoustic metamaterials using bubbly med…
Spectral properties of Neumann-Poincare operator and anomalous localized resonance in elasticity beyond quasi-static limit
Youjun Deng, Hongjie Li, Hongyu Liu
This paper is concerned with the polariton resonances and their application for cloaking due to anomalous localized resonance (CALR) for the elastic system within the finite freque…
Localization and geometrization in plasmon resonances and geometric structures of Neumann-Poincaré eigenfunctions
Eemeli Blasten, Hongjie Li, Hongyu Liu +1
This paper reports some novel and intriguing discoveries about the localization and geometrization phenomenon in plasmon resonances and the intrinsic geometric structures of Neuman…
Analysis of surface polariton resonance for nanoparticles in elastic system
Youjun Deng, Hongjie Li, Hongyu Liu
This paper is concerned with the analysis of surface polariton resonance for nanoparticles in linear elasticity. With the presence of nanoparticles, we first derive the perturbed d…
Analysis of electromagnetic scattering from plasmonic inclusions beyond the quasi-static approximation and applications
Hongjie Li, Shanqiang Li, Hongyu Liu +1
This paper is concerned with the analysis of time-harmonic electromagnetic scattering from plasmonic inclusions in the finite frequency regime beyond the quasi-static approximation…
Fourier method for identifying electromagnetic sources with multi-frequency far-field data
Xianchao Wang, Minghui Song, Yukun Guo +2
We consider the inverse problem of determining an unknown vectorial source current distribution associated with the homogeneous Maxwell system. We propose a novel non-iterative rec…
On anomalous localized resonance and plasmonic cloaking beyond the quasistatic limit
Hongjie Li, Hongyu Liu
In this paper, we give the mathematical construction of novel core-shell plasmonic structures that can induce anomalous localized resonance and invisibility cloaking at certain fin…
On novel elastic structures inducing plasmonic resonances with finite frequencies and cloaking due to anomalous localized resonances
Hongjie Li, Jinhong Li, Hongyu Liu
This paper is concerned with the theoretical study of plasmonic resonances for linear elasticity governed by the Lamé system in , and their application for cloaking d…
On spectral properties of Neuman-Poincare operator and plasmonic resonances in 3D elastostatics
Youjun Deng, Hongjie Li, Hongyu Liu
We consider plasmon resonances and cloaking for the elastostatic system in via the spectral theory of Neumann-Poincaré operator. We first derive the full spectral pr…
On three-dimensional plasmon resonance in elastostatics
Hongjie Li, Hongyu Liu
We consider the plasmon resonance for the elastostatic system in associated with a very broad class of sources. The plasmonic device takes a general core-shell-matri…
On Anomalous Localized Resonance for the Elastostatic System
Hongjie Li, Hongyu Liu
We consider the anomalous localized resonance due to a plasmonic structure for the elastostatic system in R^2. The plasmonic structure takes a general core-shell-matrix form with t…
On quasi-static cloaking due to anomalous localized resonance in
Hongjie Li, Jingzhi Li, Hongyu Liu
This work concerns the cloaking due to anomalous localized resonance (CALR) in the quasi-static regime. We extend the related two-dimensional studies in [2,10] to the three-dimensi…