10 citations · 18 across the 11 of their papers we have counts for
11 papers
A block-Toeplitz approach to the spectrum of the Neumann-Poincaré operator on self-similar chains
Matias Ruiz
We characterise the spectrum of the Neumann-Poincaré operator acting on a mean-zero subspace of the Sobolev-Slobodeckij space , where is a non-Lipschitz domain, con…
Spectral theory of plasmonic resonances in the nonlocal regime
Hyundae Lee, Matias Ruiz, Sanghyeon Yu
We present a rigorous spectral analysis of plasmonic resonances in the nonlocal regime of spatially dispersive media. We adopt the quasi-static approximation of the hydrodynamic Dr…
Plasmonic resonances of slender nanometallic rings
Matias Ruiz, Ory Schnitzer
We develop an approximate quasi-static theory describing the low-frequency plasmonic resonances of slender nanometallic rings and configurations thereof. First, we use asymptotic a…
Reconstructing fine details of small objects by using plasmonic spectroscopic data. Part II: The strong interaction regime
Habib Ammari, Matias Ruiz, Sanghyeon Yu +1
This paper is concerned with the inverse problem of reconstructing a small object from far field measurements by using the field interaction with a plasmonic particle which can be…
Field expansions for systems of strongly coupled plasmonic nanoparticles
Habib Ammari, Matias Ruiz, Sanghyeon Yu +1
This paper is concerned with efficient representations and approximations of the solution to the scattering problem by a system of strongly coupled plasmonic particles. Three schem…
Reconstructing fine details of small objects by using plasmonic spectroscopic data
Habib Ammari, Matias Ruiz, Sanghyeon Yu +1
This paper is concerned with the inverse problem of reconstructing a small object from far field measurements. The inverse problem is severally ill-posed because of the diffraction…
Heat generation with plasmonic nanoparticles
Habib Ammari, Francisco Romero, Matias Ruiz
In this paper we use layer potentials and asymptotic analysis techniques to analyze the heat generation due to nanoparticles when illuminated at their plasmonic resonance. We consi…
Shape reconstruction of nanoparticles from their associated plasmonic resonances
Habib Ammari, Mihai Putinar, Matias Ruiz +2
We prove by means of a couple of examples that plasmonic resonances can be used on one hand to classify shapes of nanoparticles with real algebraic boundaries and on the other hand…
Theory of plasmonic metasurfaces
Habib Ammari, Matias Ruiz, Wei Wu +2
In this paper we derive an impedance boundary condition to approximate the optical scattering effect of an array of plasmonic nanoparticles mounted on a perfectly conducting plate.…
Mathematical analysis of plasmonic resonances for nanoparticles: the full Maxwell equations
Habib Ammari, Matias Ruiz, Sanghyeon Yu +1
In this paper we use the full Maxwell equations for light propagation in order to analyze plasmonic resonances for nanoparticles. We mathematically define the notion of plasmonic r…
Mathematical analysis of plasmonic nanoparticles: the scalar case
Habib Ammari, Pierre Millien, Matias Ruiz +1
Localized surface plasmons are charge density oscillations confined to metallic nanoparticles. Excitation of localized surface plasmons by an electromagnetic field at an incident w…