Density Matrix Renormalization Group study of $^{48}$Cr and $^{56}$Ni

Details Density Matrix Renormalization Group study of $^{48}$Cr and $^{56}$Ni Density Matrix Renormalization Group study of $^{48}$Cr and $^{56}$Ni

2008-08-08

arxiv.org/abs/0808.1277v5

Phys.Rev.C78:041303,2008

Physics

Nuclear Physics

Nuclear Theory

4 pages. Published in PRC Rapid

Scientific paper

10.1103/PhysRevC.78.041303

We discuss the development of an angular-momentum-conserving variant of the Density Matrix Renormalization Group (DMRG) method for use in large-scale shell-model calculations of atomic nuclei and report a first application of the method to the ground state of $^{56}$Ni and improved results for $^{48}$Cr. In both cases, we see a high level of agreement with the exact results. A comparison of the two shows a dramatic reduction in the fraction of the space required to achieve accuracy as the size of the problem grows.

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