bound state qed
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Atoms ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 44
Author(s):  
Artem A. Kotov ◽  
Dmitry A. Glazov ◽  
Vladimir M. Shabaev ◽  
Günter Plunien

The generalized dual-kinetic-balance approach for axially symmetric systems is employed to solve the two-center Dirac problem. The spectra of one-electron homonuclear quasimolecules are calculated and compared with the previous calculations. The analysis of the monopole approximation with two different choices of the origin is performed. Special attention is paid to the lead and xenon dimers, Pb82+–Pb82+–e− and Xe54+–Xe54+–e−, where the energies of the ground and several excited σ-states are presented in the wide range of internuclear distances. The developed method provides the quasicomplete finite basis set and allows for the construction of perturbation theory, including within the bound-state QED.



Author(s):  
Artem A. Kotov ◽  
Dmitry A. Glazov ◽  
Vladimir Shabaev ◽  
Günter Plunien

The generalized dual-kinetic-balance approach for axially symmetric systems is employed to solve the two-center Dirac problem. The spectra of one-electron homonuclear quasimolecules are calculated and compared with the previous calculations. The analysis of the monopole approximation with two different choices of the origin is performed. Special attention is paid to the lead and xenon dimers, Pb82+–Pb82+–e− and Xe54+–Xe54+–e−, where the energies of the ground and several excited σ-states are presented in the wide range of internuclear distances. The developed method provides the quasicomplete finite basis set and allows for construction of the perturbation theory, including within the bound-state QED.



2019 ◽  
Vol 123 (17) ◽  
Author(s):  
D. A. Glazov ◽  
F. Köhler-Langes ◽  
A. V. Volotka ◽  
K. Blaum ◽  
F. Heiße ◽  
...  
Keyword(s):  
G Factor ◽  


2019 ◽  
Vol 240 (1) ◽  
Author(s):  
W. Nörtershäuser ◽  
J. Ullmann ◽  
L. V. Skripnikov ◽  
Z. Andelkovic ◽  
C. Brandau ◽  
...  


EXA 2014 ◽  
2015 ◽  
pp. 75-82
Author(s):  
Vladimir I. Korobov ◽  
Laurent Hilico ◽  
Jean-Philippe Karr


2015 ◽  
Vol 233 (1-3) ◽  
pp. 75-82 ◽  
Author(s):  
Vladimir I. Korobov ◽  
Laurent Hilico ◽  
Jean-Philippe Karr


2014 ◽  
Vol 90 (3) ◽  
Author(s):  
K. Kubiček ◽  
P. H. Mokler ◽  
V. Mäckel ◽  
J. Ullrich ◽  
J. R. Crespo López-Urrutia




2011 ◽  
Vol 89 (1) ◽  
pp. 47-57 ◽  
Author(s):  
A. Antognini ◽  
F. Biraben ◽  
J. M.R. Cardoso ◽  
D. S. Covita ◽  
A. Dax ◽  
...  

We plan to measure several 2S–2P transition frequencies in μ4He+ and μ3He+ by means of laser spectroscopy with an accuracy of 50 ppm. This will lead to a determination of the corresponding nuclear rms charge radii with a relative accuracy of 3 × 10−4, limited by the uncertainty of the nuclear polarization contribution. First, these measurements will help to solve the proton radius puzzle. Second, these very precise nuclear radii are benchmarks for ab initio few-nucleon theories and potentials. Finally when combined with an ongoing measurement of the 1S–2S transition in He+, these measurements will lead to an enhanced bound-state QED test of the 1S Lamb shift in He+.



Author(s):  
G. Werth ◽  
H. Häffner ◽  
N. Hermanspahn ◽  
H.-J. Kluge ◽  
W. Quint ◽  
...  


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