期刊
PHYSICAL REVIEW C
卷 84, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.84.054003
关键词
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资金
- ExtreMe Matter Institute (EMMI)
- Helmholtz International Center for the Facility for Antiproton and Ion Research (Helmholtz International Center for FAIR)
- RIKEN
- [21540261]
- Grants-in-Aid for Scientific Research [21540261] Funding Source: KAKEN
Short-range correlations between nucleon pairs in different spin-isospin channels are investigated for light nuclei using the Argonne v8' interaction. At distances below 1 fm a universal behavior is found for the deuteron, H-3, He-3, and for ground and first excited states in He-4. This behavior in coordinate space is reflected by a universal behavior for the high-momentum components in momentum space. The universality indicates that a pairwise renormalization is possible in order to obtain a universal effective two-body interaction that does not scatter to high-momentum states. The exact two-body densities are compared with those obtained using the unitary correlation operator method with simple trial wave functions. The effect of three-body correlations due to the tensor force on the two-body densities is discussed.
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