A quantitative theory of coherent delocalization

被引：233

作者：

Levi, Federico ^{[1
]}

Mintert, Florian ^{[1
]}

机构：

[1] Univ Freiburg, Freiburg Insitute Adv Studies, D-79104 Freiburg, Germany

来源：

NEW JOURNAL OF PHYSICS | 2014年 / 16卷

基金：

欧洲研究理事会;

关键词：

quantum coherence; quantum excitation transport; coherent delocalization; entanglement measures; ENERGY-TRANSFER; TRANSPORT;

D O I：

10.1088/1367-2630/16/3/033007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We define a quantitative measure of coherent delocalization; similarly to the concept of entanglement measures, we require that a measure of coherent delocalization may never increase under processes that do not create coherent superpositions. After a complete characterization of such processes, we prove that a set of recently introduced functions that characterize coherent delocalization never grow under such processes and thus are indeed valid measures.

引用

页数：14

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