Journal
PHYSICAL REVIEW C
Volume 83, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.83.034301
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Funding
- National Science Foundation [PHY-0653312]
- UNEDF SciDAC Collaboration under DOE [DE-FC02-07ER41457]
- U.S. Department of Energy by Lawrence Livermore Laboratory [DE-AC52-07NA27344]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1002478] Funding Source: National Science Foundation
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In recent years, the Similarity Renormalization Group has provided a powerful and versatile means to soften interactions for ab initio nuclear calculations. The substantial contribution of both induced and initial three-body forces to the nuclear interaction has required the consistent evolution of free-space Hamiltonians in the three-particle space. We present the most recent progress on this work, extending the calculational capability to the p-shell nuclei and showing that the hierarchy of induced many-body forces is consistent with previous estimates. Calculations over a range of the flow parameter for Li-6, including fully evolved NN + 3N interactions, show moderate contributions due to induced four-body forces and display the same improved convergence properties as in lighter nuclei. A systematic analysis provides further evidence that the hierarchy of many-body forces is preserved.
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