Exact few-particle eigenstates in partially reduced QED

被引：13

作者：

Darewych, JW ^{[1
]}

Duviryak, A

机构：

[1] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada

[2] NAS Ukraine, Inst Condensed Matter Phys, Dept Met & Alloy Theory, UA-79011 Lvov, Ukraine

来源：

PHYSICAL REVIEW A | 2002年 / 66卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.66.032102

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We consider a reformulation of QED in which covariant Green functions are used to solve for the electromagnetic field in terms of the fermion fields. It is shown that exact few-fermion eigenstates of the resulting Hamiltonian can be obtained in the canonical equal-time formalism for the case where there are no free photons. These eigenstates lead to two- and three-body Dirac-like equations with electromagnetic interactions. Perturbative and some numerical solutions of the two-body equations are presented for positronium- and muonium-like systems, for various strengths of the coupling.

引用

页码：321021 / 3210220

页数：20

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