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A short story of SIN! |
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| Authors: | S G Davison Z L Mi kovi A T Amos B L Burrows F O Goodman K W Sulston |
| Institution: | a Dept. of Applied Mathematics, Univ. of Waterloo, Waterloo, Ontario N2L 3G1, Canada b Dept. of Computer Sci. & Appl. Math., Aston University, Birmingham B4 7ET, UK c Dept. of Mathematics, Staffordshire University, Beaconside, Staffordshire ST18 0AD, UK d Dept. of Math. & Computer Sci., Univ. of PEI, Charlottetown, PEI C1A 4P3, Canada |
| Abstract: | A brief overview is given of the theory of surface-ion neutralization (SIN) by highlighting studies from the pioneering days to the present time. Emphasis is placed on the 1-electron time-dependent Newns-Anderson (TDNA) model, which has played such a key role in studying resonance charge transfer. Recently, a many-electron (ME) version of the TDNA approach has been formulated to treat two or more electron processes, such as Auger transitions. The equation-of-motion technique is used to obtain the TD coefficients from which the required SIN probabilities can be found. After outlining the ME method, two applications are described. The first deals with the Li+-Cs/W(110) system, while the second addresses the laser enhancement of SIN, in the case of Li+-KBr, and revises some earlier results. |
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