Eigenvalue spectrum pseudopotential

The introduction of shape-consistent pseudospinors solved the problems in the pseudopotential that were caused by the use of the Philips-Kleinman pseudospinors. However, the other characteristics of pseudospinors that were discussed in the previous section still apply to shape-consistent pseudospinors. The inclusion of virtual spinors in the expansion of the core tail does not alter the conclusions drawn all but the lowest pseudospinor mix, and the eigenvalue spectrum is compressed. 

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