Entanglement due to noncommutativity in phase space

被引：35

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.

引用

页数：6

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