Results 31 to 40 of about 26,075,196 (289)

Symmetric Atom–Atom and Ion–Atom Processes in Stellar Atmospheres

open access: yesAtoms, 2017
We present the results of the influence of two groups of collisional processes (atom–atom and ion–atom) on the optical and kinetic properties of weakly ionized stellar atmospheres layers.
Vladimir A. Srećković   +2 more
doaj   +1 more source

Introduction to the Special Issue “Radiative Transfer in the Earth Atmosphere”

open access: yesAtmosphere, 2021
This Special Issue aims at addressing the recent developments towards improving our understanding of the diverse radiative impact of different types of aerosols and clouds [...]
Irina Sokolik
doaj   +1 more source

Observations of diurnal and spatial variability of radiative forcing by equatorial deep convective clouds [PDF]

open access: yes, 2004
From geostationary satellite observations of equatorial Africa and the equatorial east Atlantic during May and June 2000 we explore the radiative forcing by deep convective cloud systems in these regions. Deep convective clouds (DCCs) are associated with
Nowicki, S.   +4 more
core   +1 more source

X-UV Radiative Processes in Structurally Active Media

open access: yesPhotonics
Certain radiative processes have their characteristics, such as spectrum, spatial distribution or yield, modified by the medium in which they are generated. Such media are referred to as structurally active media.
Jean-Michel André   +2 more
doaj   +1 more source

Boundary effects on radiative processes of two entangled atoms [PDF]

open access: yes, 2015
A bstractWe analyze radiative processes of a quantum system composed by two identical two-level atoms interacting with a massless scalar field prepared in the vacuum state in the presence of perfect reflecting flat mirrors. We consider that the atoms are
E. Arias   +3 more
semanticscholar   +1 more source

Radiative processes of uniformly accelerated entangled atoms [PDF]

open access: yes, 2015
We study radiative processes of uniformly accelerated entangled atoms, interacting with an electromagnetic field prepared in the Minkowski vacuum state.
G. Menezes, N. Svaiter
semanticscholar   +1 more source

Non-radiative inelastic processes in lithium-helium ion-atom collisions

open access: yes, 2014
Aims. The aims are to estimate efficiencies of non-radiative inelastic processes in lithium-helium ion-atom collisions and to compare them to those for radiative processes. Methods.
Lucie Augustovičová   +3 more
core   +1 more source

Collisional-radiative model including recombination processes for W27+ ion [PDF]

open access: yes, 2017
We have constructed a collisional-radiative (CR) model for W27+ ions including 226 configurations with n ≤ 9 and ł ≤ 5 for spectroscopic diagnostics.
Fumihiro Koike   +7 more
core   +1 more source

Equilibrium and equilibration in a gluon plasma with improved matrix elements

open access: yesEPJ Web of Conferences, 2014
The hot and dense matter created in the early stage of a relativistic heavy ion collision is composed mainly of gluons. Radiative processes can play an important role for the thermalization of such partonic systems.
Zhang Bin
doaj   +1 more source

Radiative Transfer Modeling of Phytoplankton Fluorescence Quenching Processes

open access: yesRemote Sensing, 2018
We report the first radiative transfer model that is able to simulate phytoplankton fluorescence with both photochemical and non-photochemical quenching included.
Peng-Wang Zhai   +4 more
doaj   +1 more source

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