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arXiv · 1009.4916

Renormalized interactions with a realistic single particle basis

Angelo Signoracci·B. Alex Brown·Morten Hjorth-Jensen
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Abstract

Neutron-rich isotopes in the sdpf space with Z < 15 require modifications to derived effective interactions to agree with experimental data away from stability. A quantitative justification is given for these modifications due to the weakly bound nature of model space orbits via a procedure using realistic radial wavefunctions and realistic NN interactions. The long tail of the radial wavefunction for loosely bound single particle orbits causes a reduction in the size of matrix elements involving those orbits, most notably for pairing matrix elements, resulting in a more condensed level spacing in shell model calculations. Example calculations are shown for 36Si and 38Si.

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Angelo Signoracci, B. Alex Brown, Morten Hjorth-Jensen. 2010-09-24. Renormalized interactions with a realistic single particle basis. https://doi.org/10.1103/physrevc.83.024315

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