Comment on Ab Initio study of 40-Ca with an importance-truncated no-core shell model - Nuclear TheoryReportar como inadecuado




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Abstract: In a recent Letter Phys. Rev. Lett. 99, 092501 2007, Roth and Navratilpresent an importance-truncation scheme for the no-core shell model. Theauthors claim that their truncation scheme leads to converged results for theground state of 40-Ca. We believe that this conclusion cannot be drawn from theresults presented in the Letter. Furthermore, the claimed convergence is atvariance with expectations of many-body theory. In particular, coupled-clustercalculations indicate that a significant fraction of the correlation energy ismissing.



Autor: D. J. Dean, G. Hagen, M. Hjorth-Jensen, T. Papenbrock, A. Schwenk

Fuente: https://arxiv.org/







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