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Type: Artigo de periódico
Title: Similarity renormalization group evolution of chiral effective nucleon-nucleon potentials in the subtracted kernel method approach
Author: Szpigel, S
Timoteo, VS
Duraes, FD
Abstract: Methods based on Wilson's renormalization group have been successfully applied in the context of nuclear physics to analyze the scale dependence of effective nucleon-nucleon (NN) potentials, as well as to consistently integrate out the high-momentum components of phenomenological high-precision NN potentials in order to derive phase-shift equivalent softer forms, the so called Vlow-k potentials. An alternative renormalization group approach that has been applied in this context is the similarity renormalization group (SRG), which is based on a series of continuous unitary transformations that evolve hamiltonians with a cutoff on energy differences. In this work we study the SRG evolution of a leading order (LO) chiral effective NN potential in the S-1(0) channel derived within the framework of the subtracted kernel method (SKM), a renormalization scheme based on a subtracted scattering equation. (C) 2010 Elsevier Inc. All rights reserved.
Subject: Similarity renormalization group
Chiral effective field theory
Nucleon-nucleon interaction
Country: EUA
Editor: Academic Press Inc Elsevier Science
Rights: fechado
Identifier DOI: 10.1016/j.aop.2010.11.007
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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