The average effective interaction in linked cluster theory

Philip Goode, Daniel S. Koltun

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We derive a theoretical method for calculating the averages (over J and T) of matrix elements of the nuclear effective interaction, in any order of the linked cluster expansion. We apply this to calculate all terms through fourth order in the G-matrix, for the averages in mass-6 and mass-18 nuclei. We find that the averages in fourth order are as large as in second and third order. This behavior is associated with a small number of terms, which suggests a partial summation method of improving the series. The relation to other work is discussed.

Original languageEnglish (US)
Pages (from-to)44-76
Number of pages33
JournalNuclear Physics, Section A
Volume243
Issue number1
DOIs
StatePublished - May 12 1975
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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