Results 1 to 10 of about 288,125 (195)

Photoluminescence of the Au38(SR)26 nanocluster comprises three radiative processes [PDF]

open access: yesCommunications Chemistry, 2023
Atomically precise gold nanoclusters display useful photoluminescence properties, but limitations in synthetic methods and characterization techniques have hindered their detailed exploration.
Lianshun Luo   +3 more
doaj   +2 more sources

Perspectives on Gravity-Induced Radiative Processes in Astrophysics

open access: yesGalaxies, 2015
Single-vertex Feynman diagrams represent the dominant contribution to physical processes, but are frequently forbidden kinematically. This is changed when the particles involved propagate in a gravitational background and acquire an effective mass ...
Giorgio Papini
doaj   +4 more sources

Operator Ordering in Quantum Radiative Processes [PDF]

open access: yesPhysica A: Statistical Mechanics and its Applications, 2003
In this work we reexamine quantum electrodynamics of atomic eletrons in the Coulomb gauge in the dipole approximation and calculate the shift of atomic energy levels in the context of Dalibard, Dupont-Roc and Cohen-Tannoudji (DDC) formalism by ...
Ackerhalt   +11 more
core   +4 more sources

Importance of radiative transfer processes in urban climate models: a study based on the PALM 6.0 model system [PDF]

open access: yesGeoscientific Model Development, 2022
Including radiative transfer processes within the urban canopy layer into microscale urban climate models (UCMs) is essential to obtain realistic model results.
M. H. Salim   +10 more
doaj   +1 more source

Data for Photodissociation of Some Small Molecular Ions Relevant for Astrochemistry and Laboratory Investigation

open access: yesData, 2022
The calculated photodissociation data of some small molecular ions have been reported. The cross-sections and spectral rate coefficients data have been studied using a quantum mechanical method. The plasma parameters, i.e., conditions, cover temperatures
Vladimir A. Srećković   +5 more
doaj   +1 more source

Aerosol Shortwave Radiative Heating and Cooling by the 2017 and 2023 Chilean Wildfire Smoke Plumes

open access: yesGeophysical Research Letters, 2023
The aerosol shortwave, direct radiative effects of smoke plumes from Chilean wildfires in 2017 and 2023 were derived from satellite observations in both cloud‐free and cloud scenes.
Martin deGraaf   +2 more
doaj   +1 more source

Open-Source Radiative Modeling Tools for Extragalactic VHE Gamma-ray Sources

open access: yesGalaxies, 2022
In this review, we discuss various open-source software for modeling the broadband emission of extragalactic sources from radio up to the highest gamma-ray energies.
Cosimo Nigro, Andrea Tramacere
doaj   +1 more source

Gamma-ray Bursts at the Highest Energies

open access: yesUniverse, 2021
Emission from Gamma-ray bursts is thought to be powered mainly by synchrotron radiation from energetic electrons. The same electrons might scatter these synchrotron seed photons to higher (>10 GeV) energies, building a distinct spectral component ...
Lara Nava
doaj   +1 more source

Photodestruction of Diatomic Molecular Ions: Laboratory and Astrophysical Application

open access: yesMolecules, 2020
In this work, the processes of photodissociation of some diatomic molecular ions are investigated. The partial photodissociation cross-sections for the individual rovibrational states of the diatomic molecular ions, which involves alkali metals, as well ...
Vladimir A. Srećković   +2 more
doaj   +1 more source

Exciton-Photon Interactions in Semiconductor Nanocrystals: Radiative Transitions, Non-Radiative Processes and Environment Effects

open access: yesApplied Sciences, 2021
In this review, we discuss several fundamental processes taking place in semiconductor nanocrystals (quantum dots (QDs)) when their electron subsystem interacts with electromagnetic (EM) radiation.
Vladimir A. Burdov   +1 more
doaj   +1 more source

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