Logarithmic corrections in the two-body QED problem
IB Khriplovich, AI Milstein, AS Yelkhovsky - Physica Scripta, 1993 - iopscience.iop.org
The logarithmic part of the Lamb shift, the contribution of the relative order α 3 log (1/α) to the
atomic state energy, is related to the usual infrared divergence. This fact allows one to …
atomic state energy, is related to the usual infrared divergence. This fact allows one to …
Corrections of O (α6 log α) in the two-body QED problem
IB Khriplovich, AI Milstein, AS Yelkhovsky - Physics Letters B, 1992 - Elsevier
The corrections in the QED two-body problem are calculated in perturbation theory for the
non-relativistic Schrödinger equation. Perturbation operators are derived by computing on …
non-relativistic Schrödinger equation. Perturbation operators are derived by computing on …
[PDF][PDF] Large relativistic corrections to the positronium decay probability
AI Mil'Shtein, IB Khriplovich - Zh. Eksp. Teor. Fiz, 1994 - jetp.ras.ru
[1-10.28;-a2log-9 r a'1 and very close in accuracy to the data obtained in recent
experiments. 12= 7.038 30 ps-'(2) poses a serious problem for modern quantum …
experiments. 12= 7.038 30 ps-'(2) poses a serious problem for modern quantum …
[PDF][PDF] Large relativistic corrections to the positronium decay rate
IB Khriplovich, AI Milstein - arxiv preprint hep-ph/9404213, 1994 - arxiv.org
arxiv:hep-ph/9404213v1 5 Apr 1994 Page 1 arxiv:hep-ph/9404213v1 5 Apr 1994 Budker
Institute of Nuclear Physics BINP 94-30 March 1993 Large relativistic corrections to the …
Institute of Nuclear Physics BINP 94-30 March 1993 Large relativistic corrections to the …
A new order correction to the decay rate of pionium
P Labelle, K Buckley - arxiv preprint hep-ph/9804201, 1998 - arxiv.org
Recently, much work has been devoted to the calculation of order $\alpha $ corrections to
the decay rate of pionium, the $\pi^+\pi^-$ bound state. In previous calculations …
the decay rate of pionium, the $\pi^+\pi^-$ bound state. In previous calculations …
Model operator approach to the Lamb shift calculations in relativistic many-electron atoms
VM Shabaev, II Tupitsyn, VA Yerokhin - Physical Review A—Atomic, Molecular …, 2013 - APS
A model operator approach to calculations of the QED corrections to energy levels in
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
Partial-wave mass renormalization in atomic QED calculations
HM Quiney, IP Grant - Physica Scripta, 1993 - iopscience.iop.org
A new approach to the implementation of a mass-renormalization procedure in the
evaluation of self-energy corrections to atomic energy levels in many-electron systems is …
evaluation of self-energy corrections to atomic energy levels in many-electron systems is …
Radiative corrections to positronium decay
GS Adkins - Annals of Physics, 1983 - Elsevier
In this work a method for calculating radiative corrections to positronium decay is presented
that is direct, and allows for a systematic extension applicable to the calculation of …
that is direct, and allows for a systematic extension applicable to the calculation of …
Positronium-ion decay
We present a precise theoretical prediction for the decay width of the bound state of two
electrons and a positron (a negative positronium ion), Γ (Ps-)= 2.087 963 (12)/ns. We …
electrons and a positron (a negative positronium ion), Γ (Ps-)= 2.087 963 (12)/ns. We …
High precision calculations and QED effects for two-and three-electron atoms
GWF Drake - Physica Scripta, 1993 - iopscience.iop.org
Essentially exact results can now be obtained for the nonrelativistic energy and lowest-order
relativistic corrections of helium. A combination of variational calculations and asymptotic …
relativistic corrections of helium. A combination of variational calculations and asymptotic …