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- W2269211301 abstract "The double autoionization rate for the He{sup -}(2s{sup 2}2p {sup 2}P) hollow atom state is calculated using a nonperturbative time-dependent close-coupling method. The nine-dimensional wave function for the three electron atom is expanded in coupled spherical harmonics. The time-dependent Schroedinger equation is then reduced to a set of close-coupled partial differential equations for the three-dimensional radial expansion functions. Relaxation in imaginary time subject to orthogonality constraints yields a 2s{sup 2}2p {sup 2}P hollow atom state with real energy, while propagation in real time yields total and double Auger rates. The total Auger rate is in reasonable agreement with previous saddle-point complex-rotation calculations. The double Auger rate is found to be 10% of the total Auger rate, in keeping with the relatively large double to total ratio found in recent experiments for He{sup -}(2s2p{sup 2} {sup 4}P)" @default.
- W2269211301 created "2016-06-24" @default.
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- W2269211301 date "2006-06-15" @default.
- W2269211301 modified "2023-09-23" @default.
- W2269211301 title "Double autoionization of He{sup -}(2s{sup 2}2p {sup 2}P)" @default.
- W2269211301 hasPublicationYear "2006" @default.
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