Time-of-arrival states

被引：15

作者：

Oppenheim, J

Reznik, B

Unruh, WG

机构：

[1] Univ British Columbia, Dept Phys & Astron, CIAR Grav & Cosmol Program, Vancouver, BC V6T 1Z1, Canada

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW A | 1999年 / 59卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.59.1804

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Although one can show formally that a time-of-arrival operator cannot exist, one can modify the low-momentum behavior of the operator slightly so that it is self-adjoint. We show that such a modification results in the difficulty that the eigenstates are drastically altered. In an eigenstate of the modified time-of-arrival operator, the particle, at the predicted time of arrival, is found far away from the point of arrival with probability 1/2. [S1050-2947(99)03403-4].

引用

页码：1804 / 1808

页数：5

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