We present an erratum to our Letter [Opt. Lett.46, 5360 (2021)10.1364/OL.437936]. This erratum refers to Fig. 3, where a previous version was wrongly uploaded during the final resubmission of the paper. This correction has no influence on the text, the results, and the conclusions of the original Letter.
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http://dx.doi.org/10.1364/OL.458682 | DOI Listing |
J Phys Condens Matter
January 2025
Institute of Scientific Computing, TU Dresden, 01069 Dresden, Germany.
The coarsening dynamics at late times in phase-separating systems lead to universally hyperuniform patterns. This is well known for scalar field theories, such as the Cahn-Hilliard equation, but has also been shown for dry scalar active field theories. We demonstrate the role of hydrodynamic interactions in influencing hyperuniformity in a wet active system described by active model H.
View Article and Find Full Text PDFWe present an erratum to our Letter [Opt. Lett.46, 5360 (2021)10.
View Article and Find Full Text PDFPhys Rev E
December 2021
Sorbonne Université, CNRS, Institut Jean Le Rond ∂'Alembert, UMR 7190, 4 Place Jussieu, Paris, F-75005, France.
Correlated disorder is at the heart of numerous challenging problematics in physics. In this work we focus on the propagation of acoustic coherent waves in two-dimensional dense disordered media exhibiting long- and short-range structural correlations. The media are obtained by inserting elastic cylinders randomly in a stealth hyperuniform medium itself made up of cylinders.
View Article and Find Full Text PDFWe propose a novel framework for the systematic design of lensless imaging systems based on the hyperuniform random field solutions of nonlinear reaction-diffusion equations from pattern formation theory. Specifically, we introduce a new class of imaging point-spread functions (PSFs) with enhanced isotropic behavior and controllable sparsity. We investigate PSFs and modulated transfer functions for a number of nonlinear models and demonstrate that two-phase isotropic random fields with hyperuniform disorder are ideally suited to construct imaging PSFs with improved performances compared to PSFs based on Perlin noise.
View Article and Find Full Text PDFPhys Rev E
September 2019
Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, 8370449 Santiago, Chile.
Hyperuniform states are an efficient way to fill up space for disordered systems. In these states the particle distribution is disordered at the short scale but becomes increasingly uniform when looked at large scales. Hyperuniformity appears in several systems, in static or quasistatic regimes, as well as close to transitions to absorbing states.
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