scholarly journals Hyperfine level structure in nitrogen-vacancy centers near the ground-state level anticrossing

2019 ◽  
Vol 100 (7) ◽  
Author(s):  
Marcis Auzinsh ◽  
Andris Berzins ◽  
Dmitry Budker ◽  
Laima Busaite ◽  
Ruvin Ferber ◽  
...  
Keyword(s):  
Ground State ◽  
Level Structure ◽  
State Level ◽  
Nitrogen Vacancy ◽  
Nitrogen Vacancy Centers ◽  
Ground State Level

scholarly journals Photoluminescence at the ground-state level anticrossing of the nitrogen-vacancy center in diamond: A comprehensive study

2021 ◽  
Vol 103 (3) ◽  
Author(s):  
Viktor Ivády ◽  
Huijie Zheng ◽  
Arne Wickenbrock ◽  
Lykourgos Bougas ◽  
Georgios Chatzidrosos ◽  
...  
Keyword(s):  
Ground State ◽  
State Level ◽  
Nitrogen Vacancy ◽  
Nitrogen Vacancy Center ◽  
Ground State Level ◽  
Vacancy Center ◽  
Comprehensive Study

scholarly journals Essentials of the macroscopic-microscopic folded-Yukawa approach and examples of its record in providing nuclear-structure data for simulations

2018 ◽  
Vol 184 ◽  
pp. 01013
Author(s):  
Peter Möller
Keyword(s):  
Nuclear Structure ◽  
Ground State ◽  
Neutron Emission ◽  
Level Structure ◽  
Model Development ◽  
State Level ◽  
Heavy Ion ◽  
Macroscopic Model ◽  
Model Description ◽  
Model Framework

The macroscopic-microscopic model based on the folded-Yukawa singleparticle potential and a “finite-range” macroscopic model is probably the approach that has provided the most reliable predictions of a large number of nuclear-structure properties for all nuclei between the proton and neutron drip lines. I will describe some basic features of the model and the development philosophy that may be the reason for its success. Examples of quantities modeled within the same model framework are, nuclear masses, ground-state level structure, including spins, ground-state shapes, fission barriers, heavy-ion fusion barriers, sub-barrier fusion cross sections, β-decay half-lives and delayed neutron emission probabilities, shape coexistence, and α-decay Qα energies to name a few. I will show how well it predicted various properties measured after published results. Rather than giving an incomplete model description here I will give a timeline of model development and provide references to typical applications and references that are sufficiently complete that several individuals have written computer codes based on these references, codes whose results have excellent agreement with ours.

ABSORPTION SPECTRA OF C3 AND C3H2 FROM THE FLASH PHOTOLYSIS OF DIAZOPROPYNE

1967 ◽  
Vol 45 (12) ◽  
pp. 4103-4111 ◽  
Author(s):  
A. J. Merer
Keyword(s):  
Absorption Spectrum ◽  
Free Radical ◽  
Ground State ◽  
Time Delays ◽  
Flash Photolysis ◽  
State Level ◽  
Vibrational Structure ◽  
Absorption Bands ◽  
Text Component ◽  
Ground State Level

The flash photolysis of diazopropyne (HC2∙CHN2) provides a particularly strong absorption spectrum of the free C3 radical. About 40 μs after the photolysis flash, the appearance of the [Formula: see text] (4 050 Å) system of C3 is similar to that obtained in the flash photolysis of diazomethane by Gausset, Herzberg, Lagerqvist, and Rosen, though much more intense. The intensity of the spectrum has permitted a study of the l-type doubling effect in the ground-state level 6ν2, of which the [Formula: see text] component has been found to lie at 458.2 cm−1. At shorter time delays [Formula: see text] the spectrum is complicated by bands arising from the levels ν1″ (1 224.5 cm−1) and 2ν1″ (2 436.0 cm−1).Below 3 700 Å the C3 spectrum is overlapped by absorption bands belonging to a new free radical, which has been identified from the intensity alternation in the rotational structure as the HCCCH radical. The vibrational structure of this system is exceptionally complex, and analysis has not been possible. The bands extend to about 3 100 Å, but are predissociated below 3 450 Å.

scholarly journals Наблюдение когерентного пленения населенности в ансамблях NV-центров в алмазе в условиях антипересечения уровней основного состояния

2019 ◽  
Vol 127 (8) ◽  
pp. 260
Author(s):  
Р.А. Ахмеджанов ◽  
И.В. Зеленский ◽  
Л.А. Гущин ◽  
В.А. Низов ◽  
Н.А. Низов ◽  
...  
Keyword(s):  
Magnetic Field ◽  
External Magnetic Field ◽  
Ground State ◽  
State Level ◽  
Coherent Population Trapping ◽  
Crystal Axis ◽  
Trapping Effect ◽  
Population Trapping ◽  
Ground State Level ◽  
Nv Centers

We realize the coherent population trapping effect in ensembles of diamond NV-centers in the ground state level anticrossing regime when the sample is placed into a strong external magnetic field along the [111] crystal axis.

Visible Luminescence of Eu3+ Ions in Lithium Barium Borate Glass

2016 ◽  
Vol 702 ◽  
pp. 66-70
Author(s):  
Keerati Kirdsiri ◽  
Benchaphorn Damdee ◽  
Jakrapong Kaewkhao
Keyword(s):  
Excited States ◽  
Ground State ◽  
Room Temperature ◽  
State Level ◽  
Barium Borate ◽  
Absorption Bands ◽  
Visible Luminescence ◽  
Barium Borate Glass ◽  
Quench Method ◽  
Ground State Level

Europium doped lithium barium borate glasses were fabricated by conventional melt-quench method and were analyzed their physical, optical and luminescence properties through absorption, excitation, emission and decay analysis at room temperature. The experimental data revealed that the five discrete absorption bands peaking at 393, 464, 532, 2032 and 2212 nm due to the transitions from 7F0 ground state level to various excited states of Eu3+ ions. The luminescence of Eu3+ in visible bands were observed under 394 nm pumping.

scholarly journals Ground-state level spin systems within Bernasconi model

2017 ◽  
Vol 161 ◽  
pp. 02013
Author(s):  
A.N. Leukhin ◽  
V.I. Bezrodnyi ◽  
A.A. Voronin ◽  
N.A. Kokovikhina
Keyword(s):  
Ground State ◽  
State Level ◽  
Spin Systems ◽  
Ground State Level
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