The two-time Green's Function and screened Self-Energy for two-electron quasi-degenerate States

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dc.creatorBigot, E. -O. Le
dc.creatorIndelicato, P.
dc.creatorShabaev, V. M.
dc.date2000-12-01
dc.date.accessioned2026-07-07T05:45:07Z
dc.date.available2026-07-07T05:45:07Z
dc.descriptionPrecise predictions of atomic energy levels require the use of QED, especially in highly-charged ions, where the inner electrons have relativistic velocities. We present an overview of the two-time Green's function method; this method allows one to calculate level shifts in two-electron highly-charged ions by including in principle all QED effects, for any set of states (degenerate, quasi-degenerate or isolated).
dc.description7 pages, 3 figures, to appear in the Proceedings of the Hydrogen II conference held in Castiglione della Pescaia, Italy (S. G. Karshenboim et al., eds)
dc.identifierhttps://arxiv.org/abs/physics/0012001
dc.identifierhttp://arxiv.org/abs/physics/0012001
dc.identifierThe Hydrogen Atom, Karshenboim et al., eds., Lecture Notes in Physics 570, Springer 2001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/83892
dc.subjectAtomic Physics
dc.titleThe two-time Green's Function and screened Self-Energy for two-electron quasi-degenerate States
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