Functional renormalization group approach to the four-body problem

被引：0

作者：

Schmidt, R. ^{[1
]}

Moroz, S. ^{[2
]}

机构：

[1] Tech Univ Munich, Dept Phys, James Franck Str, D-85748 Garching, Germany

[2] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany

来源：

19TH INTERNATIONAL IUPAP CONFERENCE ON FEW-BODY PROBLEMS IN PHYSICS | 2009年 / 3卷

关键词：

QUANTUM; SYSTEM;

D O I：

10.1051/epjconf/20100302006

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：

We present a renormalization group analysis of the non-relativistic four-boson problem by means of a simple model with pointlike three- and four-body interactions. We investigate in particular the unitarity point where the scattering length is infinite and all energies are at the atom threshold. We find that the four-body problem behaves truly universally, independent of any four-body parameter confirming the findings of Platter et al. and von Stecher et al. [1-3].

引用

页数：8

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