Causality and localization operators

被引：7
|
作者：
Buscemi, F
Compagno, G
机构：
[1] Univ Palermo, INFM, I-90123 Palermo, Italy
[2] Univ Palermo, Dipartimento Sci Fis Astron, I-90123 Palermo, Italy
来源：
PHYSICS LETTERS A | 2005年 / 334卷 / 5-6期
关键词：
causality; Hegerfeldt's theorem;
D O I：
10.1016/j.physleta.2004.11.045
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The evolution of the expectation values of one- and two-point scalar field operators and of positive localization operators generated by an instantaneous point-source is non-local. Non-locality is attributed either to zero-point vacuum fluctuations, or to non-local operations or to the microcausality principle being not satisfied. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：357 / 362
页数：6
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