Contrast in multipath interference and quantum coherence

被引：22
|
作者：
von Prillwitz, Kai [1 ]
Rudnicki, Lukasz [1 ]
Mintert, Florian [1 ,2 ]
机构：
[1] Univ Freiburg, Freiburg Inst Adv Studies, D-79104 Freiburg, Germany
[2] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England
来源：
PHYSICAL REVIEW A | 2015年 / 92卷 / 05期
基金：
欧洲研究理事会;
关键词：
All Open Access; Green;
D O I：
10.1103/PhysRevA.92.052114
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We develop a rigorous connection between statistical properties of an interference pattern and the coherence properties of the underlying quantum state. With explicit examples, we demonstrate that even for inaccurate reconstructions of interference patterns, properly defined statistical moments permit a reliable characterization of quantum coherence in terms of the number of coherently superposed state vectors.
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页数：9
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