Manufacturing time operators: Covariance, selection criteria, and examples

被引:22
作者
Hegerfeldt, G. C. [1 ]
Muga, J. G. [2 ]
Munoz, J. [2 ]
机构
[1] Univ Gottingen, Inst Theoret Phys, DE-37077 Gottingen, Germany
[2] Univ Basque Country, Dept Quim Fis, E-48080 Bilbao, Spain
来源
PHYSICAL REVIEW A | 2010年 / 82卷 / 01期
关键词
QUANTUM; ARRIVAL;
D O I
10.1103/PhysRevA.82.012113
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We provide the most general forms of covariant and normalized time operators and their probability densities, with applications to quantum clocks, the time of arrival, and Lyapunov quantum operators. Examples are discussed of the profusion of possible operators and their physical meaning. Criteria to define unique, optimal operators for specific cases are given.
引用
收藏
页数:9
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