Universal structure of the three-body system

被引:12
作者
Oryu, Shinsho [1 ]
机构
[1] Tokyo Univ Sci, Dept Phys, Noda, Chiba 2788510, Japan
来源
PHYSICAL REVIEW C | 2012年 / 86卷 / 04期
关键词
VIRTUAL STATES; ENERGY-LEVELS; SCATTERING; EQUATION;
D O I
10.1103/PhysRevC.86.044001
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
A nonlocal energy-dependent two-body quasipotential (E2Q) is defined within the framework of the three-body Faddeev formalism. The Fourier transform of this E2Q generates an energy-dependent Yukawa-type local potential. After an appropriate average of the potential with respect to the energy, a variety of local potentials with different ranges are obtained. These include a Yukawa potential, a Van der Waals potential, and a 1/r(2) potential. An interesting potential appears in the pi NN system, which gives rise to the one-pion-exchange NN interaction. It is also found that the Yukawa potential is automatically accompanied by an additional longer-range interaction. This potential could give rise to an infinite number of bound states near the threshold above the deuteron bound state with a more interesting physics than the Efimov effect.
引用
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页数:10
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