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arXiv · 0707.1516

Benchmark calculations for 3H, 4He, 16O and 40Ca with ab-initio coupled-cluster theory

G. Hagen·D. J. Dean·M. Hjorth-Jensen·T. Papenbrock·A. Schwenk
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Abstract

We present ab-initio calculations for 3H, 4He, 16O, and 40Ca based on two-nucleon low-momentum interactions Vlowk within coupled-cluster theory. For 3H and 4He, our results are within 70 keV and 10 keV of the corresponding Faddeev and Faddeev-Yakubovsky energies. We study in detail the convergence with respect to the size of the model space and the single-particle basis. For the heavier nuclei, we report practically converged binding energies and compare with other approaches.

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G. Hagen, D. J. Dean, M. Hjorth-Jensen, T. Papenbrock, A. Schwenk. 2007-07-10. Benchmark calculations for 3H, 4He, 16O and 40Ca with ab-initio coupled-cluster theory. https://doi.org/10.1103/physrevc.76.044305

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