Electron recombination with multicharged ions via chaotic many-electron states

Details Electron recombination with multicharged ions via chaotic many-electron states Electron recombination with multicharged ions via chaotic many-electron states

2001-06-12

arxiv.org/abs/physics/0106035v1

Physics

Atomic Physics

9 pages, including 1 figure, REVTeX

Scientific paper

10.1103/PhysRevA.66.012713

We show that a dense spectrum of chaotic multiply-excited eigenstates can play a major role in collision processes involving many-electron multicharged ions. A statistical theory based on chaotic properties of the eigenstates enables one to obtain relevant energy-averaged cross sections in terms of sums over single-electron orbitals. Our calculation of the low-energy electron recombination of Au$^{25+}$ shows that the resonant process is 200 times more intense than direct radiative recombination, which explains the recent experimental results of Hoffknecht {\em et al.} [J. Phys. B {\bf 31}, 2415 (1998)].

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