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.

引用

页数：6

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