Similarity renormalization group for nucleon-nucleon interactions

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2007-06-13

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American Physical Society

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Abstract

The similarity renormalization group (SRG) is based on unitary transformations that suppress off-diagonal matrix elements, forcing the Hamiltonian toward a band-diagonal form. A simple SRG transformation applied to nucleon-nucleon interactions leads to greatly improved convergence properties while preserving observables and provides a method to consistently evolve many-body potentials and other operators.

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S. K. Bogner, R. J. Furnstahl, R. J. Perry, "Similarity renormalization group for nucleon-nucleon interactions," Physical Review C 75, no. 6 (2007), doi:10.1103/PhysRevC.75.061001