Block diagonalization using similarity renormalization group flow equations
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Publisher:American Physical Society
Citation:E. Anderson et al, "Block diagonalization using similarity renormalization group flow equations," Physical Review C 77, no. 3 (2008), doi:10.1103/PhysRevC.77.037001
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_low k”).