Entanglement due to noncommutativity in phase space

被引：34
|
作者：
Bastos, Catarina [1 ]
Bernardini, Alex E. [2 ]
Bertolami, Orfeu [1 ,2 ]
Dias, Nuno Costa [3 ,4 ]
Prata, Joao Nuno [3 ,4 ]
机构：
[1] Inst Super Tecn, Inst Plasmas & Fusao Nucl, Ave Rovisco Pais 1, P-1049001 Lisbon, Portugal
[2] Univ Porto, Fac Ciencias, Dept Fis & Astron, P-4169007 Oporto, Portugal
[3] Univ Lusofona Humanidades & Tecnol, Dept Matemat, P-1749024 Lisbon, Portugal
[4] UL, Grp Fis Matemat, P-1649003 Lisbon, Portugal
来源：
PHYSICAL REVIEW D | 2013年 / 88卷 / 08期
基金：
巴西圣保罗研究基金会;
关键词：
WIGNER DISTRIBUTIONS; QUANTUM; EQUATION;
D O I：
10.1103/PhysRevD.88.085013
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The entanglement criterion for continuous variable systems and the conditions under which the uncertainty relations are fulfilled are generalized to the case of a noncommutative phase space. The quantum nature and the separability of noncommutative two-mode Gaussian states are examined. It is shown that the entanglement of Gaussian states may be exclusively induced by switching on the noncommutative deformation.
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收藏
页数：6
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