Abstract
Motivated by the need to test the adequacy of realistic nucleon-nucleon potentials for yielding the dynamics of many-nucleon systems we develop effective Iiamiltonians for large-space moment method studies. These Hamiltonians consist of the relative kinetic energy operator and an exact Brueckner G-matrix acting between all pairs of nucleons in the nucleus. That is, there is no core and the nuclear properties are obtained through moment methods as a function of the size of the model space. The primary initial emphasis is to obtain the binding energy and comparisons are made with results of the coupled-cluster or exp(s) calculations. We find a systematic but slow decrease in the importance of three and higher body effective forces as the model space is increased. The results with the Reid soft core interaction for the binding energy of 160 appear to be converging close to the exp(s) results. Further tests of the moment methods themselves are indicated as well as the desirability of increasing still further the model space for the no-core studies.
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© 1980 Plenum Press, New York
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Vary, J.P. (1980). Realistic Hamiltonians for No-Core Moment Method Studies. In: Dalton, B.J., Grimes, S.M., Vary, J.P., Williams, S.A. (eds) Theory and Applications of Moment Methods in Many-Fermion Systems. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3120-9_23
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DOI: https://doi.org/10.1007/978-1-4613-3120-9_23
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