Tomazelli, J.L.; Costa, L.C. - In: Physica A: Statistical Mechanics and its Applications 323 (2003) C, pp. 435-444
In this work we reexamine quantum electrodynamics of atomic electrons in the Coulomb gauge in the dipole approximation and calculate the shift of atomic energy levels in the context of Dalibard, Dupont-Roc and Cohen-Tannoudji formalism by considering the variation rates of physical observable....
