An effective field theory for the three-body system

被引：0
|
作者：
Barford, T [1 ]
Birse, MC [1 ]
机构：
[1] Univ Manchester, Dept Phys & Astron, Manchester M13 9PL, Lancs, England
来源：
FEW BODY PROBLEMS IN PHYSICS '02 | 2003年 / 14卷
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the scattering of a particle from a bound pair in an effective field theory using a distorted-wave renormalisation group method to find the power-counting for the three-body force terms. We find that three-body terms appear at lower orders than naively expected. They start with a marginal term that varies as a logarithm rather than a power of the energy scales in the problem. The marginal term has important implications for the three-body problem in nuclear physics.
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页码：123 / 126
页数：4
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