Ab-initio shell model with a core

A. F. Lisetskiy, B. R. Barrett, M. K.G. Kruse, P. Navratil, I. Stetcu, J. P. Vary

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

We construct effective two- and three-body Hamiltonians for the p-shell by performing 12 Ω ab initio no-core shell model (NCSM) calculations for A=6 and 7 nuclei and explicitly projecting the many-body Hamiltonians onto the 0 Ω space. We then separate these effective Hamiltonians into inert core, one- and two-body contributions (also three-body for A=7) and analyze the systematic behavior of these different parts as a function of the mass number A and size of the NCSM basis space. The role of effective three- and higher-body interactions for A>6 is investigated and discussed.

Original languageEnglish (US)
Article number044302
JournalPhysical Review C - Nuclear Physics
Volume78
Issue number4
DOIs
StatePublished - Oct 10 2008

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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