Neutron transport in anisotropic random media
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.04.031
Abstract: Abstract Assessing the impact of random media for eigenvalue problems plays a central role in nuclear reactor physics and criticality safety. In a recent work (Larmier et al., 2018a), we have applied a probabilistic model… read more here.
Keywords: anisotropic random; fuel; transport anisotropic; random media ... See more keywords
Non-universality of the dynamic exponent in two-dimensional random media
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-018-36236-z
Abstract: The diffusion of solutes in two-dimensional random media is important in diverse physical situations including the dynamics of proteins in crowded cell membranes and the adsorption on nano-structured substrates. It has generally been thought that… read more here.
Keywords: dimensional random; diffusion; non universality; dynamic exponent ... See more keywords
Pinning and depinning: From periodic to chaotic and random media.
Sign Up to like & getrecommendations! Published in 2019 at "Chaos"
DOI: 10.1063/1.5056190
Abstract: We study the propagation of dissipative structures in inhomogeneous media with a focus on pinning and depinning transitions. We model spatial complexity in the medium as generated by dynamical systems. We are thus able to… read more here.
Keywords: periodic chaotic; chaotic random; pinning depinning; random media ... See more keywords
Accurate remote sensing of conducting objects in random media with plane H-wave polarization
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2019.1583609
Abstract: Abstract In this work, a mechanism is proposed to enhance the remote sensing accuracy of conducting objects located within continuous random media. Through our mechanism, operating frequency would be selected properly for preciously radar detection.… read more here.
Keywords: polarization; remote sensing; sensing conducting; accurate remote ... See more keywords
Long distance propagation of light in random media with partially coherent sources
Sign Up to like & getrecommendations! Published in 2024 at "Waves in Random and Complex Media"
DOI: 10.1080/17455030.2025.2486789
Abstract: Optical beam propagation in random media is characterized by familiar speckle patterns generated by intricate interference effects. Such patterns may be modified and possibly attenuated for partially coherent incident beam profiles. In the weak-coupling regime… read more here.
Keywords: propagation; long distance; partially coherent; distance propagation ... See more keywords
Synthesis of a scalar wavelet intensity propagating through von Kármán-type random media: joint use of the radiative transfer equation with the Born approximation and the Markov approximation
Sign Up to like & getrecommendations! Published in 2017 at "Geophysical Journal International"
DOI: 10.1093/gji/ggx318
Abstract: S U M M A R Y In high-frequency seismograms of small earthquakes, we clearly see the excitation of long lasting coda waves and the envelope broadening of an S-wavelet with travel distance increasing. We… read more here.
Keywords: approximation; intensity; intensity time; wavelet ... See more keywords
Entanglement dynamics in random media
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.062119
Abstract: We study how the entanglement dynamics between two-level atoms is impacted by random fluctuations of the light cone. In our model the two-atom system is envisaged as an open system coupled with an electromagnetic field… read more here.
Keywords: random media; dynamics random; system; entanglement dynamics ... See more keywords
Relative efficiency of three mechanisms of vector field growth in a random media.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review. E"
DOI: 10.1103/physreve.107.044110
Abstract: We consider a model of a random media with fixed and finite memory time with abrupt losses of memory (renovation model). Within the memory intervals we can observe either amplification or oscillation of the vector… read more here.
Keywords: vector field; three mechanisms; growth; mean field ... See more keywords
Dynamics of multidimensional fundamental and vortex solitons in random media.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review. E"
DOI: 10.1103/physreve.109.064216
Abstract: We study the dynamics of fundamental and vortex solitons in the framework of the nonlinear Schrödinger equation with the spatial dimension D⩾2 with a multiplicative random term depending on the time and space coordinates. To this… read more here.
Keywords: solitons random; random media; vortex solitons; fundamental vortex ... See more keywords
Reference-free path length interferometry of random media with the intensity moments analysis.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.013953
Abstract: Stochastic interference of partially coherent light multiple scattered by a random medium is considered. The relationship between the second- and third-order moments of intensity fluctuations in random interference patterns, the coherence function of probe radiation,… read more here.
Keywords: analysis; intensity; path; reference free ... See more keywords
Random medium model for producing optical coherence lattice.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.025222
Abstract: Within the Markov approximation, we introduce a novel class of random media which can produce a scattered field with optical lattice patterns. It is shown that the array dimension, lobes intensity profile, and the periodicity… read more here.
Keywords: random medium; medium model; random; random media ... See more keywords