Programmable quantum gate arrays

被引：279
|
作者：
Nielsen, MA [1 ]
Chuang, IL [1 ]
机构：
[1] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.79.321
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show how to construct quantum gate arrays that can be programmed to perform different unitary operations on a data register, depending on the input to some program register. It is shown that a universal quantum gate array - a gate array which can be programmed to perform any unitary operation - exists only if one allows the gate array to operate in a probabilistic fashion. Thus it is not possible to build a fixed, general purpose quantum computer which can be programmed to perform an arbitrary quantum computation.
引用
收藏
页码：321 / 324
页数：4
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