Angular Momentum Projected Configuration Interaction with Realistic Hamiltonians

Details Angular Momentum Projected Configuration Interaction with Realistic Hamiltonians Angular Momentum Projected Configuration Interaction with Realistic Hamiltonians

2008-08-15

arxiv.org/abs/0808.2153v3

Phys.Rev.C79:014311,2009

Physics

Nuclear Physics

Nuclear Theory

10 pages, 10 figures. Revised version. To be published in Physical Review C

Scientific paper

10.1103/PhysRevC.79.014311

The Projected Configuration Interaction (PCI) method starts from a collection of mean-field wave functions, and builds up correlated wave functions of good symmetry. It relies on the Generator Coordinator Method (GCM) techniques, but it improves the past approaches by a very efficient method of selecting the basis states. We use the same realistic Hamiltonians and model spaces as the Configuration Interaction (CI) method, and compare the results with the full CI calculations in the sd and pf shell. Examples of 24Mg, 28Si, 48Cr, 52Fe and 56Ni are discussed.

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