Quantum mechanics of successive measurements with arbitrary meter coupling

被引：14
|
作者：
Johansen, Lars M. [2 ]
Mello, Pier A. [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
[2] Buskerud Univ Coll, Dept Technol, N-3601 Kongsberg, Norway
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 36期
关键词：
21;
D O I：
10.1016/j.physleta.2008.07.021
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study successive measurements of two observables using von Neumann's measurement model. The two-pointer correlation for arbitrary coupling strength allows retrieving the initial system state. We recover Luders rule, the Wigner formula and the Kirkwood-Dirac distribution in the appropriate limits of the coupling strength. (C) 2008 Elsevier B.V. All rights reserved.
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页码：5760 / 5764
页数：5
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