Results 11 to 20 of about 21,329 (252)

Finite element 3D model of a double quantum ring: effects of electric and laser fields on the interband transition

open access: yesNew Journal of Physics, 2023
In this work, the changes in the energy of electrons and holes, oscillator strength and interband transition time when external fields are applied to a GaAs/AlGaAs semiconductor double ring grown by the droplet epitaxy technique are theoretically ...
A Radu, C Stan, D Bejan
doaj   +1 more source

Oscillator strengths for Be I

open access: yesAtomic Data and Nuclear Data Tables, 2012
Abstract The electric dipole oscillator strengths for lines between some singlet and triplet levels have been calculated using the weakest bound electron potential model theory and the quantum defect orbital theory for Be I. In the calculations both multiplet and fine structure transitions are studied.
Ateş, Şule   +3 more
openaire   +1 more source

Deciphering the Role of Positions 145 and 165 in Fluorescence Lifetime Shortening in the EGFP Variants

open access: yesBiomolecules, 2020
The bright ultimately short lifetime enhanced emitter (BrUSLEE) green fluorescent protein, which differs from the enhanced green fluorescent protein (EGFP) in three mutations, exhibits an extremely short fluorescence lifetime at a relatively high ...
Anastasia V. Mamontova   +3 more
doaj   +1 more source

Computation of Characteristics of C IV Transitions

open access: yesEast European Journal of Physics, 2023
In this research, we computed transition probabilities, line strength, and oscillator strengths of more than 5000 transitions in C IV. Very few values of these spectroscopic characteristics were previously known and reported.
Muhammad Saeed   +3 more
doaj   +1 more source

Extended Atomic Structure Calculations for W11+ and W13+

open access: yesAtoms, 2020
We report an extensive and elaborate theoretical study of atomic properties for Pm-like and Eu-like Tungsten using Flexible Atomic Code (FAC). Excitation energies for 304 and 500 fine structure levels are presented respectively, for W11+ and W13 ...
Narendra Singh   +2 more
doaj   +1 more source

Investigation of GeSn/Ge quantum dots’ optical transitions for integrated optics on Si substrate

open access: yesResults in Physics, 2019
The effects of self-organized GeSn/Ge quantum dot’s size and shape on the direct band gap interband emission energy, oscillator strength and radiative lifetime are evaluated.
Mourad Baira   +4 more
doaj   +1 more source

Strong light–matter coupling in microcavities characterised by Rabi-splittings comparable to the Bragg stop-band widths

open access: yesNew Journal of Physics, 2021
The vacuum Rabi splitting of polaritonic eigenmodes in semiconductor microcavities scales with the square root of the oscillator strength, as predicted by the coupled oscillator model and confirmed in many experiments.
Junhui Cao   +2 more
doaj   +1 more source

Transitional Strength under Plasma: Precise Estimations of Astrophysically Relevant Electromagnetic Transitions of Ar7+, Kr7+, Xe7+, and Rn7+ under Plasma Atmosphere

open access: yesAtoms, 2023
The growing interest in atomic structures of moderately stripped alkali-like ions in the diagnostic study and modeling of astrophysical and laboratory plasma makes an accurate many-body study of atomic properties inevitable. This work presents transition
Swapan Biswas   +4 more
doaj   +1 more source

Dispersion Characterization of conductive polymer

open access: yesInternational Journal of Electrochemical Science, 2015
Pure and doped PMMA films with NiCl2 have been deposited by using casting method. Optical measurements were studied by UV-VIS technique in the wavelength ranges (200-800)nm. The optical properties and dispersion parameters of films have been studied as a
Saad F. Oboudi   +5 more
doaj   +1 more source

Length-Gauge Optical Matrix Elements in WIEN2k

open access: yesComputation, 2022
Hybrid exchange-correlation functionals provide superior electronic structure and optical properties of semiconductors or insulators as compared to semilocal exchange-correlation potentials due to admixing a portion of the non-local exact exchange ...
Oleg Rubel, Peter Blaha
doaj   +1 more source

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