SUPERCONDUCTING RINGS, SUPERSELECTION RULES AND QUANTUM MEASUREMENT PROBLEMS

被引：12
|
作者：
WAN, KK
HARRISON, FE
机构：
[1] Department of Physics and Astronomy, University of St. Andrews
来源：
PHYSICS LETTERS A | 1993年 / 174卷 / 1-2期
关键词：
D O I：
10.1016/0375-9601(93)90532-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using a Hilbert space formalism, we present axiomatic models of thick superconducting ring devices as quantum systems possessing superselection rules, analysis of which gives an understanding as to why the generator of a unitary time evolution describing transitions between supersectors cannot be an observable of the system.
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页码：1 / 8
页数：8
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