Entropic uncertainty and the quantum phase transition in the Dicke model

被引：31

作者：

Romera, E. ^{[1
,2
]}

Calixto, M. ^{[3
]}

Nagy, A. ^{[4
]}

机构：

[1] Univ Granada, Dept Fis Atom Mol & Nucl, E-18071 Granada, Spain

[2] Univ Granada, Inst Carlos I Fis Teor & Computac, E-18071 Granada, Spain

[3] Univ Granada, Dept Matemat Aplicada, E-18071 Granada, Spain

[4] Univ Debrecen, Dept Theoret Phys, H-4010 Debrecen, Hungary

来源：

EPL | 2012年 / 97卷 / 02期

关键词：

INFORMATION ENTROPY; MECHANICS; FIELD;

D O I：

10.1209/0295-5075/97/20011

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the description of the quantum phase transition in terms of the entropic uncertainty relation turns out to be more suitable than in terms of the standard variance-based uncertainty relation. The entropic uncertainty relation detects the quantum phase transition in the Dicke model and it provides a correct description of the quantum fluctuations or quantum uncertainty of the system. Copyright (C) EPLA, 2012

引用

页数：5

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