QED of High-Z Few-Electron Atoms



  1. Lecture: Introduction. QED in a strong external field 2N-time Green's function. Interaction representation. Feynman rules. Two-time Green's function and its analytical properties.

  2. Lecture: Perturbation theory for calculations of the energy levels of atomic systems. Energy shift of a single level. Perturbation theory for degenerate and quasidegenerate levels. Practical calculations.

  3. Lecture: Perturbation theory for calculations of the transition probabilities and cross section of scattering processes. Photon emission by an atom. Radiative recombination of an electron with an atom. Photon scattering by an atom. Resonance scattering: spectral line shape.

  4. Lecture: Present status of the QED calculations of high-Z few-electron atoms. Lamb shift. Hyperfine Splitting. Bound-electron g factor. Radiative recombination of an electron with a heavy ion. Conclusion.



References: V.M. Shabaev, Two-time Green's function method in quantum electrodynamics of high-Z few-electron atoms, Phys. Rep. 356 (2002) 119-228.









Zuletzt geändert: 05.06.2003, 10:55:27