120. CalTech陈谐: 航天中的量子通信 episode artwork

EPISODE · Apr 14, 2017 · 1H 2M

120. CalTech陈谐: 航天中的量子通信

from 科技与生活 Tech & Life

去年八月由中国研制的量子通信卫星上天了,实现了人类第一次天地之间的量子通信!扎克伯格未满月的小女儿都看起了《宝宝量子力学》,你是不是也想多了解一下什么是量子力学和量子通信呢?在量子力学最著名的思想实验薛定谔的猫中,处于既衰变了也没有衰变的叠加态的原子决定了箱子里的猫也处于既死又活的状态,这个实验试图告诉大家的是量子世界的不确定性。而正是这种不确定性,当物理学家们应用到通信的领域时却能够排除传统通信的隐患,实现非常安全的信息传递,进而解决国防、金融、商业等领域的信息安全问题。本期节目我们邀请了美国加州理工学院物理系从事量子信息研究的陈谐教授,深入浅出地为我们介绍什么是量子通信。

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120. CalTech陈谐: 航天中的量子通信

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