Ab-Initio Coupled-Cluster Study of O16

M. Włoch, D. J. Dean, J. R. Gour, M. Hjorth-Jensen, K. Kowalski, T. Papenbrock, and P. Piecuch
Phys. Rev. Lett. 94, 212501 – Published 3 June 2005

Abstract

We report converged results for the ground and excited states and matter density of O16 using realistic two-body nucleon-nucleon interactions and coupled-cluster methods and algorithms developed in quantum chemistry. Most of the binding is obtained with the coupled-cluster singles and doubles approach. Additional binding due to three-body clusters (triples) is minimal. The coupled-cluster method with singles and doubles provides a good description of the matter density, charge radius, charge form factor, and excited states of a one-particle, one-hole nature, but it cannot describe the first-excited 0+ state. Incorporation of triples has no effect on the latter finding.

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  • Received 26 January 2005

DOI:https://doi.org/10.1103/PhysRevLett.94.212501

©2005 American Physical Society

Authors & Affiliations

M. Włoch1, D. J. Dean2, J. R. Gour1, M. Hjorth-Jensen3, K. Kowalski1, T. Papenbrock2,4, and P. Piecuch1

  • 1Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
  • 2Physics Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831, USA
  • 3Department of Physics and Center of Mathematics for Applications, University of Oslo, N-0316 Oslo, Norway
  • 4Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA

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Issue

Vol. 94, Iss. 21 — 3 June 2005

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