Model-Potential Methods

摘要: Publisher Summary The model-potential method is used widely in calculations of both bound-state and continuum state properties atomic molecular systems. Model-potential energies high accuracy for two-electron systems can be obtained though not as very refined ab initio small methods have the advantage that computations are relatively straight-forward inexpensive, even large systems, they allow accurate predictions Rydberg levels. approach provide estimates positions widths doubly-excited autoionizing resonances. Oscillator strengths or, equivalently, transition probabilities, many important applications, example, deducing relative abundances plasmas from observed emission. Transition probabilities may combined to give a radiative lifetime an excited state. Use unmodified dipole operator gives good agreement with experiment near threshold but seriously underestimates cross section above minimum. Introducing core-polarization correction matrix element lowers at leads substantial increase