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physics.atom-ph2024
Convergence-acceleration approach to partial-wave expansion of two-electron self-energy contributions to the Lamb shift
A. V. Malyshev, E. A. Prokhorchuk, V. M. Shabaev
Methods of bound-state QED that treat the self-energy contributions to the Lamb shift within the partial-wave expansion usually face the problem of slow convergence of the latter.…
physics.atom-ph2024
Orbital collapse and dual states of the electrons in superheavy elements
I. I. Tupitsyn, I. M. Savelyev, Y. S. Kozhedub +5
The problem of orbital collapse of the and electrons in atoms of superheavy elements (SHE) is considered. Previously, the presence of the orbital collapse was established…