On the problem of "spontaneous pair creation" in strong electric fields

被引：1
|
作者：
Szpak, N [1 ]
机构：
[1] Univ Frankfurt, Inst Theoret Phys, D-60054 Frankfurt, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2003年 / 205卷
关键词：
quantum electrodynamics; external fields; overcriticality; spontaneous pair creation;
D O I：
10.1016/S0168-583X(02)01993-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper reviews shortly the present state of the theory concerning the spontaneous pair creation in strong electric fields. Overcriticality of an external field and a spontaneous pair creation are defined within the framework of an external field approximation of QED. Open theoretical problems are reported. Application of the theoretical model to a collision of two heavy nuclei (U-92) is discussed. The aim of the work is to provide a conclusive model. which applied to (future) experimental results will prove (or disprove) the existence of overcriticality. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：30 / 35
页数：6
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