Entanglement of a quantum optical elliptic vortex

被引：20
|
作者：
Bandyopadhyay, Abir [1 ,2 ]
Prabhakar, Shashi [1 ]
Singh, Ravindra Pratap [1 ]
机构：
[1] Phys Res Lab, Div Theoret Phys, Quantum Opt & Quantum Informat Grp, Ahmadabad 380009, Gujarat, India
[2] Hooghly Engn & Technol Coll, Hooghly 712103, India
来源：
PHYSICS LETTERS A | 2011年 / 375卷 / 19期
关键词：
Entanglement; Quantum optical elliptic vortex; WIGNER DISTRIBUTION FUNCTION; ORBITAL ANGULAR-MOMENTUM; SEPARABILITY CRITERION; PHASE-SPACE; RADIATION; COHERENT; STATES; TELEPORTATION;
D O I：
10.1016/j.physleta.2011.03.044
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We calculate the entanglement of a generalized elliptical vortex formed by quantized radiation field, using Wigner quasiprobability distribution function for such states. We find a critical squeezing parameter above which the entanglement is less for higher vorticity, which is counter intuitive. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1926 / 1929
页数：4
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