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Phys. Rev. C 77, 037001 (2008) [4 pages]

Block diagonalization using similarity renormalization group flow equations

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E. Anderson1, S. K. Bogner2, R. J. Furnstahl1, E. D. Jurgenson1, R. J. Perry1, and A. Schwenk3
1Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
2National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48844, USA
3TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3

Received 14 January 2008; published 24 March 2008

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 (“Vlow k”).

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.77.037001
DOI:
10.1103/PhysRevC.77.037001
PACS:
21.30.-x, 05.10.Cc, 13.75.Cs
 
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