Atom-excited atom exchange interaction at large distances

Name: Work Video:
Duration: 3 min 30 s
Description: For two atoms whose ionization potentials are considerably different, an exact asymptotic expression for the exchange interaction is derived. This interaction is connected with the energy level shift of an excited atom, colliding with a ground state atom. From the general expression for this quantity the results of Smirnov and Ovchinikova are obtained as special cases.
R. K. Janev
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