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相关概念视频

Superconductor01:24

Superconductor

1.2K
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...
1.2K
Types Of Superconductors01:28

Types Of Superconductors

1.0K
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...
1.0K
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

42.5K
Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
42.5K
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

676
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
676

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相关实验视频

Updated: Jul 23, 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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量子计算机辅助设计用于先进的超导量子比特:等离子.

Feng-Ming Liu1, Can Wang1, Ming-Cheng Chen1

  • 1Hefei National Research Center for Physical Sciences at the Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China; Shanghai Branch CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China; Shanghai Research Center for Quantum Sciences, Shanghai 201315, China.

Science bulletin
|July 15, 2023
PubMed
概括

研究人员使用量子计算来设计一种新的"Plasmonium"量子比特. 这种新的量子比特显示了高保真性和改进的特性,为可扩展的量子处理器铺平了道路.

关键词:
一个和性.量子计算机辅助设计是量子计算机辅助设计.量子仿真是一种量子仿真.超导量子比特是一种超导量子比特.变量量子算法是一种变量量子算法.

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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相关实验视频

Last Updated: Jul 23, 2025

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

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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科学领域:

  • 量子计算是一种量子计算.
  • 量子电子学 量子电子学
  • 固态物理 固态物理

背景情况:

  • 复杂的量子电子电路对于无噪声保护的量子比特至关重要,但对经典模拟具有挑战性.
  • 量子计算机提供了一条有效模拟这些复杂系统的途径.

研究的目的:

  • 为了展示模拟超导量子电子电路的变量量子计算.
  • 设计和描述一种新的量子比特,即在等离子过渡模式下运行的""量子比特.

主要方法:

  • 利用一个基于transmon的量子处理器进行变量量子计算模拟.
  • 制造和实验性地描述了等离子子量子比特的性能.

主要成果:

  • 使用等离子子量子比特实现了高两量子比特网关保真率99.58(3)%.
  • 与传统的跨子量子比特相比,等离子量子比特具有较小的物理尺寸和更大的无和性.

结论:

  • 量子比特是开发可扩展的多量子比特设备的有希望的候选者.
  • 量子计算可以有效地协助设计先进的量子处理器.