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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

56.4K
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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Molecular Orbital Theory I02:35

Molecular Orbital Theory I

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Overview of Molecular Orbital Theory
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Electronic Structure of Atoms02:28

Electronic Structure of Atoms

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An atom comprises protons and neutrons, which are contained inside the dense, central core called the nucleus, with electrons present around the nucleus. Taking into account the wave–particle duality of electrons and the uncertainty in position around the nucleus, quantum mechanics provides a more accurate model for the atomic structure. It describes atomic orbitals as the regions around the nucleus where electrons of discrete energy exist, characterized by four quantum...
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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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Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

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The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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在中性原子量子计算中,QFT电路的最佳编译策略.

Dingchao Gao1, Yongming Li2, Shenggang Ying1

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概括

本研究介绍了在动态场可编程量子阵列 (DPQA) 架构上的中性原子量子计算 (NAQC) 的新编译策略. 这些方法优化量子里埃转换 (QFT) 电路,减少原子运动并提高性能.

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科学领域:

  • 量子信息科学 量子信息科学
  • 原子物理 原子物理
  • 计算机科学 计算机科学

背景情况:

  • 中性原子量子计算 (NAQC) 是一个领先的可扩展量子计算平台.
  • 动态可编程量子阵列 (DPQA) 架构通过原子重新排列和赖德伯格激发实现了高保真性操作.
  • 在DPQA上高效地实现复杂的量子电路,如量子利叶变换 (QFT),面临着来自原子运动和连接的挑战.

研究的目的:

  • 在DPQA架构上开发QFT电路的最佳编译策略.
  • 为应对与原子运动开销和连接约束相关的挑战.
  • 为了最大限度地减少原子移动,并保持高电路保真度用于QFT实现.

主要方法:

  • 引入新的编译策略,专门用于DPQA上的QFT电路.
  • 针对线性和网状DPQA配置的定制方法.
  • 专注于最小化原子运动,以达到理论下限.

主要成果:

  • 拟议的方法实现QFT电路的原子运动计数的理论下界.
  • 在编译过程中保持了高电路保真性.
  • 对比评估显示,与现有的DPQA编译器相比,性能优越.

结论:

  • 开发的编译策略为在DPQA上实施QFT电路提供了有效的方法.
  • 这些方法显著减少了原子运动的开销,同时保持了高保真度.
  • 这些策略可以作为未来DPQA编译器开发的基准.