Block Diagonalization using SRG Flow Equations
arXiv:0801.1098 · doi:10.1103/PhysRevC.77.037001
Abstract
By choosing appropriate generators for the Similarity Renormalization Group (SRG) flow equations, different patterns of decoupling in a Hamiltonian can be achieved. Sharp and smooth block-diagonal forms of phase-shift equivalent nucleon-nucleon potentials in momentum space are generated as examples and compared to analogous low-momentum interactions ("v_lowk").
4 pages, 9 figures (pdfLaTeX)