Parametrization of spin-1 classical states

被引：5
|
作者：
Giraud, Olivier [1 ]
Braun, Petr [2 ,3 ]
Braun, Daniel [4 ]
机构：
[1] Univ Paris 11, CNRS, UMR 8626, LPTMS, F-91405 Orsay, France
[2] Univ Duisburg Essen, Fachbereich Phys, D-47048 Duisburg, Germany
[3] St Petersburg Univ, Inst Phys, St Petersburg 198504, Russia
[4] Univ Toulouse, CNRS, Phys Theor Lab, F-31062 Toulouse, France
来源：
PHYSICAL REVIEW A | 2012年 / 85卷 / 03期
关键词：
MATRIX;
D O I：
10.1103/PhysRevA.85.032101
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We give an explicit parametrization of the set of mixed quantum states and of the set of mixed classical states for a spin-1 Hilbert space. The boundary of the set of mixed classical states is described as a two-parameter family of ellipsoids.
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页数：6
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