Geometric approximation to two-particle green function for ethylene

Jan Linderberg*, Mark Ratner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


A geometric construction is used to find the matrix representation of the two-particle Green function for a pi-electron model of ethylene. A self-consistency condition is derived, allowing calculation of highly accurate values for the bond order, ionic character and elementary excitations.

Original languageEnglish (US)
Pages (from-to)37-40
Number of pages4
JournalChemical Physics Letters
Issue number1
StatePublished - Jul 1 1970

ASJC Scopus subject areas

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

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