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O'Reilly Platform
book
量子计算机编程:从入门到实践
by
Eric R. Johnston
,
Nicholas Harrigan
,
Mercedes Gimeno-Segovia
July 2021
Beginner to intermediate
274 pages
7h 10m
Chinese
Posts & Telecom Press
Content preview from
量子计算机编程:从入门到实践
56
第
4
章
量子隐形传态
本章介绍一个
QPU
程序,它能够在相隔
3.1
毫米的距离上瞬间传送一个物体!只要有合适
的设备,同样的代码也适用于星际传送。
尽管
传送
(
teleportation
)可能会让人联想到魔术师玩的把戏,但我们会看到,用
QPU
执
行的量子传送同样令人印象深刻,且更为实用。这种传送叫作
量子隐形传态
(
quantum
teleportation
),它实际上是
QPU
编程的关键概念。
4.1
动手尝试
学习量子隐形传态的最佳方法就是动手尝试。请记住,在整个人类历史上,迄今为止只有
区区几千人进行过某种形式的物理隐形传态实验。因此,只要运行下面的代码,你就会成
为这一领域的先驱者。
具体地说,我们将使用
IBM
的五量子比特
QPU
运行这个示例,而不是使用模拟器,如图
4-1
所示。你可以将示例
4-1
中的代码粘贴到
IBM Q Experience
网站上,单击按钮,确认
你的隐形传态实验成功。
量子隐形传态
|
57
图
4-1
:因为
IBM
的芯片很小,所以量子比特不需要跑太远。图片和示意图展示了我们将在
QPU
中
进行传送操作的区域
1
在
IBM Q Experience
网站上可以使用
OpenQASM
2
和
Qiskit
3
进行编程。注意,示例
4-1
中
的代码
不是
要在
QCEngine
上运行的
JavaScript
代码,而是要通过 ...
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ISBN: 9787115566355