BOUND-STATES OF POSITRONS AND NEUTRAL ATOMS

被引：70

作者：

DZUBA, VA

FLAMBAUM, VV

GRIBAKIN, GF

KING, WA

机构：

[1] School of Physics, University of New South Wales, Sydney

来源：

PHYSICAL REVIEW A | 1995年 / 52卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.52.4541

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We use many-body perturbation theory to examine the interaction of positrons with atoms. Our calculations predict positron s-type bound states with binding energies 0.87, 0.23, 0.35, and 0.045 eV for Mg, Zn, Cd, and Hg atoms, respectively. This binding is due to the positron-atom polarization potential and virtual positronium formation. A simple criterion is used to find other atoms that are likely to form bound states with positrons. Among the most probable candidates are Ti, V, Cr, Mn, Zr, Nb, and Mo.

引用

页码：4541 / 4546

页数：6

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