ON THE MOST EFFICIENT UNITARY TRANSFORMATION FOR PROGRAMMING QUANTUM CHANNELS

被引:2
作者
D'Ariano, Giacomo Mauro [1 ]
Perinotti, Paolo [1 ]
机构
[1] CNR, INFM, QUIT Grp, Dipartimento Fis A Volta, I-27100 Pavia, Italy
来源
QUANTUM PROBABILITY AND INFINITE DIMENSIONAL ANALYSIS, PROCEEDINGS | 2007年 / 20卷
关键词
Quantum information theory; channels; quantum computing; entanglement;
D O I
10.1142/9789812770271_0016
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We address the problem of finding the optimal joint unitary transformation on system + ancilla which is the most efficient in programming any desired channel on the system by changing the state of the ancilla. We present a solution to the problem for dim(H) = 2 for both system and ancilla.
引用
收藏
页码:173 / 180
页数:8
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