Ground-state hyperfine splitting of B-like ions in the high-$Z$ region

Ground-state hyperfine splitting of B-like ions in the high- $Z$ region

D. A. Glazov, A. V. Volotka, O. V. Andreev, V. P. Kosheleva, S. Fritzsche, V. M. Shabaev, G. Plunien, and Th. Stöhlker

Phys. Rev. A 99, 062503 – Published 10 June 2019

Abstract

The hyperfine splitting of the ground state of selected B-like ions within the range of nuclear charge numbers $Z = 49$ –83 is investigated in detail. The rigorous QED approach together with the large-scale configuration-interaction Dirac-Fock-Sturm method are employed for the evaluation of the interelectronic-interaction contributions of first and higher orders in $1 / Z$ . The screened QED corrections are evaluated to all orders in $α Z$ by using an effective potential. The influence of nuclear magnetization distribution is taken into account within the single-particle nuclear model.

Received 10 March 2019

DOI:https://doi.org/10.1103/PhysRevA.99.062503

Physics Subject Headings (PhySH)

Electron correlation calculations for atoms & ions Fine & hyperfine structure Relativistic & quantum electrodynamic effects in atoms, molecules,& ions

Ions

Perturbative methods

Atomic, Molecular & Optical

Authors & Affiliations

D. A. Glazov^1,2,3, A. V. Volotka^2,3, O. V. Andreev¹, V. P. Kosheleva^1,2,3, S. Fritzsche^2,3,4, V. M. Shabaev¹, G. Plunien⁵, and Th. Stöhlker^2,3,6

¹Department of Physics, St. Petersburg State University, 199034 St. Petersburg, Russia
²Helmholtz-Institut Jena, D-07743 Jena, Germany
³GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
⁴Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, D-07743 Jena, Germany
⁵Institut für Theoretische Physik, Technische Universität Dresden, D-01062 Dresden, Germany
⁶Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität, D-07743 Jena, Germany

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Issue

Vol. 99, Iss. 6 — June 2019

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