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For heavy elements treated either as full-core atoms or with small-core pseudopotentails, the two-mesh discretization might remain a better choice since it allows a more efficient sampling of the different length scales in the core and valence regions.
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note
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The relative efficiency between LRDMC and "DMC version 1" within the same machine (Intel quad-core) and the same code (Ref.) is less than a factor of 2 for the cases shown in this work.
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