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相关概念视频

Subatomic Particles03:37

Subatomic Particles

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Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom.
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Thomson's e/m Experiment01:19

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In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The...
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The de Broglie Wavelength02:32

The de Broglie Wavelength

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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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Atomic Nuclei: Nuclear Magnetic Moment00:59

Atomic Nuclei: Nuclear Magnetic Moment

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All atomic nuclei are positively charged. When they have a nonzero spin, they behave like rotating charges. As a consequence of their charge and spin, these nuclei generate a magnetic field (B). This, in turn, gives rise to a magnetic moment (μ), which is randomly oriented in the absence of an external magnetic field. When an external magnetic field (B0) is applied, the magnetic moment vectors can align with the field or against it in 2 + 1 orientations. A hydrogen nucleus, which is just a...
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Electron Behavior01:09

Electron Behavior

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Electrons are negatively charged subatomic particles attracted to and orbit around the positively-charged nucleus of an atom. They reside in spaces associated with energy levels called shells and are further organized into subshells and orbitals within each shell.
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相关实验视频

Updated: Jul 26, 2025

In Situ Detection and Single Cell Quantification of Metal Oxide Nanoparticles Using Nuclear Microprobe Analysis
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In Situ Detection and Single Cell Quantification of Metal Oxide Nanoparticles Using Nuclear Microprobe Analysis

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狩猎马约拉纳

Ali Yazdani1, Felix von Oppen2, Bertrand I Halperin3

  • 1Joseph Henry Laboratories and Department of Physics, Princeton University, Princeton, NJ 08540, USA.

Science (New York, N.Y.)
|June 22, 2023
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概括
此摘要是机器生成的。

研究人员正在探索新的量子材料来观察非阿贝尔准粒子,旨在创建拓保护的量子位. 尽管存在实验性挑战,但本文重点介绍的是拓超导体和Majorana零模式.

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科学领域:

  • 量子物理
  • 凝聚物质物理学
  • 材料科学

背景情况:

  • 在过去的十年里,大量的研究工作都集中在观察非阿贝尔准粒子上.
  • 这些准粒子对于证明超越费米子和玻色子的量子统计学至关重要.
  • 最终目标是为拓保护的量子位建立科学基础.

研究的目的:

  • 本次审查重点是创建托波超导相,以Majorana的零模式为主.
  • 它考察了在这个领域的现有实验所吸取的教训.
  • 这项研究旨在推动当前平台的改进,并探索新的实验方法.

主要方法:

  • 对现有观察非阿贝尔准粒子的实验努力的审查.
  • 专注于拓超导相和马约拉纳零模式.
  • 分析该领域的挑战和机遇.

主要成果:

  • 对非阿贝尔准粒子的实验检测仍然是一个重大挑战.
  • 现有的努力提供了宝贵的知识和见解.
  • 在改善现有平台和探索新方法方面取得了进展.

结论:

  • 追求非阿贝尔准粒子和拓量子比特具有很高的发现潜力.
  • 继续研究和探索新的方法是必不可少的.
  • 在这个令人兴奋的量子物理领域的进步是预期的.