MOMENTUM DISTRIBUTION OF THE POSITRON IN AN ELECTRON-GAS

被引：18

作者：

ARPONEN, J

PAJANNE, E

机构：

[1] Research Institute for Theoretical Physics, University of Helsinki

来源：

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 04期

关键词：

D O I：

10.1088/0022-3719/12/4/006

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The momentum probability distribution for the positron in an interacting electron gas is presented as a function of the electron density. It is found that even at the low-density end of the metallic region, the momentum distribution has a sizeable delta function peak at zero momentum and is as a whole still far from the distribution obtained for a negative positronium ion or positronium atom.

引用

页码：L161 / L164

页数：4