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相关概念视频

The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

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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.
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Quantum Numbers02:43

Quantum Numbers

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It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
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Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

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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.
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Quantitative Analysis01:12

Quantitative Analysis

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Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
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Machines: Problem Solving II01:30

Machines: Problem Solving II

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
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Machines01:19

Machines

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

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量子机器学习

Jacob Biamonte1,2, Peter Wittek3, Nicola Pancotti4

  • 1Quantum Complexity Science Initiative, Skolkovo Institute of Science and Technology, Skoltech Building 3, Moscow 143026, Russia.

Nature
|September 15, 2017
PubMed
概括
此摘要是机器生成的。

量子计算可以通过利用独特的量子模式加速机器学习. 研究人员正在开发量子机器学习算法,但实际应用仍然存在重大硬件和软件障碍.

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Gradient Echo Quantum Memory in Warm Atomic Vapor
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科学领域:

  • 计算机科学
  • 量子物理
  • 人工智能

背景情况:

  • 机器学习 (ML) 使用计算能力和算法来识别数据模式.
  • 量子系统表现出独特的模式,有可能为机器学习任务提供比经典系统的优势.

研究的目的:

  • 探索量子计算增强机器学习的潜力.
  • 研究量子机器学习 (QML) 算法和软件的开发.

主要方法:

  • 对ML相关的量子算法的当前进展进行审查.
  • 分析模式识别中的量子优势的理论基础.

主要成果:

  • 量子算法是机器学习程序的基本组成部分.
  • 量子系统被假设能有效地处理古典计算机无法处理的模式.

结论:

  • 量子机器学习是一个有前途的领域,
  • 要实现量子机器学习的实际应用,必须克服大量的硬件和软件挑战.