AlL2,3edge x-ray absorption spectra in III-V semiconductors: Many-body perturbation theory in comparison with experiment

2011 ◽  
Vol 83 (19) ◽  
Author(s):  
W. Olovsson ◽  
I. Tanaka ◽  
T. Mizoguchi ◽  
G. Radtke ◽  
P. Puschnig ◽  
...  
Keyword(s):  
Perturbation Theory ◽  
Absorption Spectra ◽  
Many Body ◽  
X Ray ◽  
Comparison With Experiment ◽  
Many Body Perturbation Theory ◽  
X Ray Absorption

scholarly journals Theoretical description of optical and x-ray absorption spectra of MgO including many-body effects

2021 ◽  
Vol 103 (19) ◽  
Author(s):  
Vijaya Begum ◽  
Markus E. Gruner ◽  
Christian Vorwerk ◽  
Claudia Draxl ◽  
Rossitza Pentcheva
Keyword(s):  
Absorption Spectra ◽  
Theoretical Description ◽  
Many Body ◽  
X Ray ◽  
Many Body Effects ◽  
X Ray Absorption

Many-body and anisotropy effects in x-ray absorption spectra of pristine and defective vanadium pentoxide

2020 ◽  
Vol 101 (12) ◽  
Author(s):  
Yu Fujikata ◽  
Fukiko Ota ◽  
Keisuke Hatada ◽  
Peter Krüger
Keyword(s):  
Absorption Spectra ◽  
Vanadium Pentoxide ◽  
Many Body ◽  
X Ray ◽  
X Ray Absorption

scholarly journals Transition energy measurements of the X-ray lines of neon-like europium

2020 ◽  
Vol 98 (3) ◽  
pp. 239-242
Author(s):  
P. Beiersdorfer ◽  
N. Hell ◽  
D. Panchenko ◽  
G.V. Brown ◽  
E. Träbert ◽  
...  
Keyword(s):  
Perturbation Theory ◽  
Electron Beam ◽  
Ion Trap ◽  
Transition Energy ◽  
Electric Quadrupole ◽  
Many Body ◽  
X Ray ◽  
Electron Beam Ion Trap ◽  
Magnetic Quadrupole ◽  
Many Body Perturbation Theory

We report the measurements of the n = 3 → n = 2 L-shell X-ray transitions of neon-like Eu53+. These include all seven allowed electric dipole (E1) transitions, five electric quadrupole (E2) transitions, and one magnetic quadrupole (M2) transition. The measurements were carried out at the EBIT-I electron beam ion trap facility at Livermore using an X-ray calorimeter. The measured values agree with many-body perturbation theory calculations within the experimental uncertainties. This includes the transitions that involve a 2s electron and that are, therefore, strongly affected by quantum electrodynamical effects.

Electronic Structure and X-ray Absorption Spectra of Rutile TiO2 Using First-Principles Calculations

2014 ◽  
Vol 52 (12) ◽  
pp. 1025-1029
Author(s):  
Min-Wook Oh ◽  
Tae-Gu Kang ◽  
Byungki Ryu ◽  
Ji Eun Lee ◽  
Sung-Jae Joo ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Absorption Spectra ◽  
First Principles ◽  
First Principles Calculations ◽  
Rutile Tio2 ◽  
X Ray ◽  
X Ray Absorption
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