Symmetries of the Similarity Renormalization Group for Nuclear Forces

Details Symmetries of the Similarity Renormalization Group for Nuclear Forces Symmetries of the Similarity Renormalization Group for Nuclear Forces

2011-08-04

arxiv.org/abs/1108.1162v1

Physics

Nuclear Physics

Nuclear Theory

16 pages, 6 figures

Scientific paper

We analyze the role played by Long Distance Symmetries within the context of the Similarity Renormalization Group (SRG) approach, which is based on phase-shift preserving continuous unitary transformations that evolve hamiltonians with a cutoff on energy differences. We find that there is a SRG cutoff for which almost perfect fulfillment of Wigner symmetry is found. We discuss the possible consequences of such finding.

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