QUANTUM DIFFUSION OF MUONIUM IN KCL AND NACL

被引：32
|
作者：
KAGAN, Y
PROKOFEV, NV
机构：
[1] I.V. Kurchatov Institute of Atomic Energy
来源：
PHYSICS LETTERS A | 1990年 / 150卷 / 5-7期
关键词：
D O I：
10.1016/0375-9601(90)90105-W
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present an analysis of the quantum diffusion of muonium in KCl and NaCl crystals, which has been observed experimentally by Kiefl and co-workers. We have demonstrated that all specific low temperature features of D(T) are due to the two-phonon interaction with account taken of the real phonon spectrum. The anomalous behaviour at high T is explained by the effect of "fluctuational preparation of the barrier". Taking both ideas into consideration we found a reasonable theoretical description of the D versus T dependence in a wide temperature range. © 1990.
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页码：320 / 326
页数：7
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