A Light-Front Coupled Cluster Method

被引：2
|
作者：
Hiller, J. R. [1 ]
Chabysheva, S. S. [1 ]
机构：
[1] Univ Minnesota, Dept Phys, Duluth, MN 55812 USA
来源：
FEW-BODY SYSTEMS | 2012年 / 52卷 / 3-4期
关键词：
RENORMALIZATION; STATES;
D O I：
10.1007/s00601-011-0268-z
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new method for the nonperturbative solution of quantum field theories is described. The method adapts the exponential-operator technique of the standard many-body coupled-cluster method to the Fock-space eigenvalue problem for light-front Hamiltonians. This leads to an effective eigenvalue problem in the valence Fock sector and a set of nonlinear integral equations for the functions that define the exponential operator. The approach avoids at least some of the difficulties associated with the Fock-space truncation usually used.
引用
收藏
页码：315 / 321
页数：7
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