Formation of relativistic positron systems by the axial channeling of positrons in ionic crystals

被引：1
作者：
Gevorkyan, AS [1 ]
Grigoryan, AG
Mkrtchyan, AR
Toneyan, AG
机构：
[1] State Committee Russian Federat Sci & Technol, Inst High Speed Computat & Data Bases, St Petersburg 194291, Russia
[2] Armenian Acad Sci, Inst Appl Problems Phys, Yerevan 375014, Armenia
来源：
TECHNICAL PHYSICS | 1998年 / 43卷 / 04期
关键词：
D O I：
10.1134/1.1259004
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An analytical expression is written for the effective interaction potential of a fast charged particle with ionic crystals of the CsCl type as a function of the temperature of the medium, taking long-range order into account. A numerical analysis shows that there is a real possibility of axial superchanneling of positrons along the [100] axis of negatively charged ions in crystals with this structure. The wave function and energy spectrum of the localized state are investigated, and the possibility of the formation of metastable, two-dimensional, relativistic positron systems is analyzed. (C) 1998 American Institute of Physics. [S1063-7842(98)02104-7].
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页码：452 / 456
页数：5
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