Improved basis selection for the projected configuration interaction method applied to medium-heavy nuclei

Zao Chun Gao, Mihai Horoi, Y. S. Chen

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In a previous paper, we proposed a projected configuration interaction method that uses sets of axially deformed single-particle states to build up the many-body basis. We show that the choice of the basis set is essential to the efficiency of the method, and we propose a newly improved algorithm for selecting the projected basis states. We also extend our method to model spaces that can accommodate both parities and can include odd-multipole terms in the effective interaction, such as the octupole contributions. Examples of Ni56, Se68, Se70, and Se76 are calculated showing good agreement with the full configuration interaction results.

Original languageEnglish
Article number034325
JournalPhysical Review C - Nuclear Physics
Volume80
Issue number3
DOIs
StatePublished - Sep 30 2009

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