Light in correlated disordered media

K Vynck, R Pierrat, R Carminati, LS Froufe-Pérez… - Reviews of Modern …, 2023 - APS
The optics of correlated disordered media is a conceptually rich research topic emerging at
the interface between the physics of waves in complex media and nanophotonics. Inspired …

Renewal theory with fat-tailed distributed sojourn times: Typical versus rare

W Wang, JHP Schulz, W Deng, E Barkai - Physical Review E, 2018 - APS
Renewal processes with heavy-tailed power law distributed sojourn times are commonly
encountered in physical modeling and so typical fluctuations of observables of interest have …

Lévy flight for electrons in graphene: Superdiffusive-to-diffusive transport transition

DB Fonseca, LFC Pereira, ALR Barbosa - Physical Review B, 2023 - APS
In this paper we propose an electronic Lévy glass, analogous to a recent optical realization.
To that end, we investigate the transmission of electrons in graphene nanoribbons in the …

Tempered fractional equations for quantum transport in mesoscopic one-dimensional systems with fractal disorder

RT Sibatov, HG Sun - Fractal and Fractional, 2019 - mdpi.com
New aspects of electron transport in quantum wires with Lévy-type disorder are described.
We study the weak scattering and the incoherent sequential tunneling in one-dimensional …

Wave transmission and its universal fluctuations in one-dimensional systems with Lévy-like disorder: Schrödinger, Klein-Gordon, and Dirac equations

ALR Barbosa, JRF Lima, LFC Pereira - Physical Review E, 2022 - APS
We investigate the propagation of waves in one-dimensional systems with Lévy-type
disorder. We perform a complete analysis of nonrelativistic and relativistic wave …

Dirac wave transmission in Lévy-disordered systems

JRF Lima, LFC Pereira, ALR Barbosa - Physical Review E, 2019 - APS
We investigate the propagation of electronic waves described by the Dirac equation subject
to a Lévy-type disorder distribution. Our numerical calculations, based on the transfer matrix …

Broadband absorption through extended resonance modes in random metamaterials

J Hao, R Niemiec, L Burgnies, E Lheurette… - Journal of Applied …, 2016 - pubs.aip.org
The properties of disordered metamaterial absorbers are analyzed on the basis of numerical
simulations and experimental characterizations. A broadening of the absorption spectrum is …

Tunable perfect absorption of microwave radiation via dielectric slabs in irregular arrangements

AA Fernández-Marín, CA Flores-Castro… - Physical Review …, 2024 - APS
This study introduces a passive approach for achieving tunable perfect absorption of
microwave radiation, using non-Hermitian physics to manipulate electromagnetic waves …

[HTML][HTML] Surface acoustic wave confinement inside uncorrelated distributions of subwavelength scatterers

T Deletang, A Noual, B Bonello, R Buisine… - Journal of Applied …, 2023 - pubs.aip.org
We report an experimental study of surface acoustic wave (SAW) localization and
propagation in random metasurfaces composed of Al scatters using pump–probe …

Poisson distributions in disordered metamaterials absorbers

N Fernez, L Burgnies, D Dereudre, D Lippens… - Journal of Applied …, 2019 - pubs.aip.org
The absorption mechanisms of Poisson-distributed disordered Metal-Insulator-Metal
structures are investigated theoretically and numerically. In particular, from the Poisson point …