Spin and spatial dynamics in electron-impact scattering off S-wave He using R-matrix with Time-Dependence theory

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Abstract

R-matrix with time-dependence theory is applied to electron-impact ionisation processes for He in the S-wave model. Cross sections for electron-impact excitation, ionisation and ionisation with excitation for impact energies between 25 and 225 eV are in excellent agreement with benchmark cross sections. Ultra-fast dynamics induced by a scattering event is observed through time-dependent signatures associated with autoionisation from doubly excited states. Further insight into dynamics can be obtained through examination of the spin components of the time-dependent wavefunction.
Original languageEnglish
Article number032706
Number of pages5
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume94
Issue number3
DOIs
Publication statusPublished - 13 Sep 2016

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