4.1 Article Proceedings Paper

Fixed Points of the Similarity Renormalization Group and the Nuclear Many-Body Problem

Journal

FEW-BODY SYSTEMS
Volume 55, Issue 8-10, Pages 971-975

Publisher

SPRINGER WIEN
DOI: 10.1007/s00601-014-0858-7

Keywords

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Funding

  1. Spanish DGI [FIS2011-24149]
  2. Junta de Andalucia [FQM225]
  3. FAPESP [2011/18211-2, 2010/50646-6]
  4. FAEPEX
  5. CNPq
  6. Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [11/18211-2] Funding Source: FAPESP

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The Similarity Renormalization Group reduces the off-shellness by driving the evolved interaction towards a diagonal band. We analyze the infrared limit and the corresponding on-shell interactions and its consequences for light nuclei. Using a harmonic oscillator shell model we obtain a Tjon line B (alpha) = 4B (t) - 3B (d) which can be understood from a combinatorics counting of nucleon pairs and triplets in the triton and alpha-particle and compares favorably with realistic calculations.

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