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6 papers · 2 filters
Atomic Energy Levels with QED and Contribution of the Screened Self-Energy
Eric-Olivier Le Bigot, Paul Indelicato
We present an introduction to the principles behind atomic energy level calculations with Quantum Electrodynamics (QED) and the two-time Green's function method; this method allows…
Contribution of the screened self-energy to the Lamb shift of quasidegenerate states
Eric-Olivier Le Bigot, Paul Indelicato, Vladimir M. Shabaev
Expressions for the effective Quantum Electrodynamics (QED) Hamiltonian due to self-energy screening (self-energy correction to the electron-electron interaction) are presented. We…
Coordinate-space approach to the bound-electron self-energy: Self-Energy screening calculation
P. Indelicato, Peter J. Mohr
The self-energy screening correction is evaluated in a model in which the effect of the screening electron is represented as a first-order perturbation of the self energy by an eff…
Resummation of the Divergent Perturbation Series for a Hydrogen Atom in an Electric Field
U. D. Jentschura
We consider the resummation of the perturbation series describing the energy displacement of a hydrogenic bound state in an electric field (known as the Stark effect or the LoSurdo…
Experimental evidence of dynamical localization and delocalization in a quasi-periodic driven system
Jean Ringot, Pascal Szriftgiser, Jean-Claude Garreau +1
This paper presents the first experimental evidence of the transition from dynamical localization to delocalization under the influence of a quasi-periodic driving on a quantum sys…
Multiple scattering of light by atoms in the weak localization regime
Thibaut Jonckheere, Cord A. Mueller, Robin Kaiser +2
Coherent backscattering is a multiple scattering interference effect which enhances the diffuse reflection off a disordered sample in the backward direction. Classically, the enhan…