BOUND-STATES FROM THE BETHE-SALPETER-EQUATION IN QED3

被引：17
|
作者：
BURDEN, CJ
机构：
[1] Department of Theoretical Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra
来源：
NUCLEAR PHYSICS B | 1992年 / 387卷 / 02期
关键词：
D O I：
10.1016/0550-3213(92)90167-A
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The bound-state spectrum of QED3 is studied using a quenched, ladder approximation to the homogeneous Bethe-Salpeter equation. Bound e+-e- states are classified in terms of their properties under space inversion and charge parity transformations. In addition to scalars and pseudoscalars, which form degenerate doublets, there exist doublet states, termed axi-scalars, whose transformation properties involve an arbitrary phase. Numerical solutions to the approximate Bethe-Salpeter equation for the lightest scalar and axi-scalar states are presented.
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页码：419 / 446
页数：28
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