Using a multi-step potential as an exact solution of the absorbing potential problem on the grid

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Abstract

In this Letter, the reflection and transmission of plane waves are examined from a 'true' complex potential. A simple and exact numerical procedure has been developed for treating the absorbing potential problem. Studying sample complex absorbing potentials, we could compare our exact step potential method and the grid-based time-dependent wavepacket approach. The results indicate convincingly that the step potential scheme works fast, produces accurate numbers and performs in good agreement with the grid-based wavepacket method.

Original languageEnglish
Pages (from-to)287-292
Number of pages6
JournalChemical Physics Letters
Volume323
Issue number3-4
DOIs
Publication statusPublished - Jun 16 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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