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相关概念视频

Superconductor01:24

Superconductor

1.1K
A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
1.1K
Types Of Superconductors01:28

Types Of Superconductors

933
A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
933

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相关实验视频

Updated: Jun 4, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

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在遥远的超导芯片之间确定量子状态和门传输.

Jiawei Qiu1, Yang Liu1, Ling Hu1

  • 1Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; International Quantum Academy, Shenzhen 518048, China; Guangdong Provincial Key Laboratory of Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.

Science bulletin
|December 18, 2024
PubMed
概括
此摘要是机器生成的。

研究人员在单独的芯片上实现了超导量子比特之间的决定性量子传输. 这一突破克服了量子互连方面的挑战,为分布式量子计算网络铺平了道路.

关键词:
飞行微波光子 飞行微波光子量子计算是一种量子计算.量子网络是一个量子网络.超导电路中的超导电路.

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相关实验视频

Last Updated: Jun 4, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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科学领域:

  • 量子信息科学 量子信息科学
  • 超导量子计算 超导量子计算
  • 量子通信技术 量子通信技术

背景情况:

  • 超导量子比特对于大规模量子计算至关重要.
  • 扩展量子系统在芯片上的量子位集成方面面临着挑战.
  • 分布式量子网络需要远程芯片之间可靠的量子通信.

研究的目的:

  • 为了证明遥远的超导芯片之间的决定性量子传输和纠门.
  • 为了克服量子互连和微波光子传输方面的技术障碍.
  • 为分布式量子计算网络建立一个基础元素.

主要方法:

  • 在单独的芯片上使用超导量子比特.
  • 采用了64米的低温电缆总线,损耗超低 (0.32dB/km).
  • 杆式飞行微波光子用于量子状态转移.

主要成果:

  • 在遥远的芯片之间实现量子状态的决定性传输.
  • 在分离的超导量子位上成功实现了纠门.
  • 通过微波光子产生高保真度远程纠.

结论:

  • 展示了使用超导量子比特分布式量子计算的关键构建块.
  • 为波导量子电动学和微波量子光子学打开了新的可能性.
  • 实现了可靠的量子通信,这对于扩展量子技术至关重要.