Springer Series on Atomic, Optical, and Plasma Physics

2 primary works

Interference of Atomic States

by Evgeny B. Alexandrov, etc., Maria P. Chaika, and Gennadij I. Khvostenko

Published 22 June 1993

This monograph is devoted to the description and interpretation of interference between quantum states of an atom, as manifested in the angular distribution and polarization of spontaneous emission and absorption. The basic phenomena are first introduced and explained in terms of the simple classical dipole model. A more quantitative description follows, making use of the density matrix formalism and the statistical tensor. The theoretical sections are complemented by detailed accounts of experimental methods and results, such that the monograph as a whole gives a comprehensive picture of this field.

Resonance Phenomena in Electron-Atom Collisions

by V. I. Lengyel, etc., V.T. Navrotsky, and E.P. Sabad

Published 25 August 1992

Depending on the energy of the collision, the scattering of electrons by atoms or atomic ions is the fundamental process in plasma physics, in laser cavities, nuclear fusion reactions, quantum chemistry, astrophysics and the physics of the upper atomosphere. The positions and intensities of resonances yield information on the formation of quasi-stationary autoionizing states. The first two-thirds of this text is devoted to a detailed exposition of the methods of calculating such scattering resonances, introducing a simplified Feshback diagonalization method. Comparisons with other calculational techniques are drawn. The final third is a comprehensive review of electron scattering experiments, with data on hydrogen, the alkalis, group II elements, and rare gases (both neutral atoms and atomic cations).