How continuous quantum measurements in finite dimensions are actually discrete

被引：37
作者：
Chiribella, Giulio
D'Ariano, Giacomo Mauro
Schlingemann, Dirk
机构：
[1] Dipartimento Fis A Volta, QUIT Grp, I-27100 Pavia, Italy
[2] INFM, I-27100 Pavia, Italy
[3] Tech Univ Carolo Wilhelmina Braunschweig, Inst Math Phys, D-38106 Braunschweig, Germany
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.98.190403
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show that in finite dimensions a quantum measurement with a continuous set of outcomes can be always realized as a continuous random choice of measurements with a finite number of outcomes.
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页数：4
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