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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

972
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...
972
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

191
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
191
DC Generator01:19

DC Generator

738
An alternator converts mechanical energy into electrical energy that varies sinusoidally, resulting in AC current. Meanwhile, a DC generator converts mechanical energy into electrical energy, which are DC pulses with the same polarity. The construction of a DC generator is similar to that of an alternator, except that the pair of slip rings is replaced by a single split ring, also called a commutator. The commutator functions like a periodic rotary switch; it changes the contacts with the...
738
Energy Stored In A Coaxial Cable01:31

Energy Stored In A Coaxial Cable

1.4K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.4K
Conservation of AC Power01:15

Conservation of AC Power

332
The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
332

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Updated: Jun 26, 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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集成和直流驱动的超导微电.

Chen-Guang Wang1,2,3, Wuyue Xu1,2,3, Chong Li1,2,3

  • 1Research Institute of Superconductor Electronics, School of Electronic Science and Engineering, Nanjing University, Nanjing, China.

Nature communications
|May 13, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了一种超低功耗,集成的超导微电,使用约瑟夫森连接. 该设备可为芯片上的微波光子和量子处理器实现自启动模式锁定.

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

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MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T
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科学领域:

  • 光子学 是一个光子学.
  • 量子计算是一种量子计算.
  • 超导装置的超导器件

背景情况:

  • 频率子对于精确的测量至关重要.
  • 集成光学为芯片上的应用提供了可扩展的解决方案.
  • 超导装置使低功耗,高性能电子产品成为可能.

研究的目的:

  • 为了展示一个完全集成的超导微组合器.
  • 为了实现超低功耗和简单操作.
  • 探索微波光子学和量子计算中的应用.

主要方法:

  • 一个超导微装置的制造.
  • 使用约瑟夫森连接器与微条纹共振器相连.
  • 采用自启动模式锁定,用于连贯的子生成.
  • 在狭窄的线宽度上应用连贯的注射锁定.

主要成果:

  • 演示了一个交钥匙,集成的超导微组合器.
  • 实现了自动启动模式锁定与皮卡瓦特功耗.
  • 产生了跨越多八度的微波光谱.
  • 使用注入锁定,将线宽度缩小到1Hz.

结论:

  • 这项工作是集成微波光子学的重大进展.
  • 开发的微组合器在集成量子处理器中具有潜在的应用.
  • 该技术提供了一个可扩展和高效的解决方案,用于芯片上的频率 generation.