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関連する概念動画

The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

42.4K
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.
42.4K
Electron Configuration of Multielectron Atoms03:26

Electron Configuration of Multielectron Atoms

42.2K
The alkali metal sodium (atomic number 11) has one more electron than the neon atom. This electron must go into the lowest-energy subshell available, the 3s orbital, giving a 1s22s22p63s1 configuration. The electrons occupying the outermost shell orbital(s) (highest value of n) are called valence electrons, and those occupying the inner shell orbitals are called core electrons. Since the core electron shells correspond to noble gas electron configurations, we can abbreviate electron...
42.2K
Hybridization of Atomic Orbitals II03:35

Hybridization of Atomic Orbitals II

32.3K
sp3d and sp3d 2 Hybridization
32.3K
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)01:20

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)

1.0K
Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
1.0K
Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

47.2K
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...
47.2K
Quantum Numbers02:43

Quantum Numbers

34.8K
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.
34.8K

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Updated: Jul 14, 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

Published on: August 2, 2019

9.7K

原子規模のマルチキビットプラットフォーム

Yu Wang1,2, Yi Chen1,2,3,4, Hong T Bui1,5

  • 1Center for Quantum Nanoscience, Institute for Basic Science (IBS), Seoul 03760, Korea.

Science (New York, N.Y.)
|October 5, 2023
PubMed
まとめ
この要約は機械生成です。

研究者は結合された電子スピン量子ビットを 原子ごとに作りました この量子技術プラットフォームは 将来の量子デバイスの 協調的な操作と読み取りを可能にします

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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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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関連する実験動画

Last Updated: Jul 14, 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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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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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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科学分野:

  • 量子科学と技術
  • 固体物理学
  • 量子コンピューティング

背景:

  • 固体内の個々の電子のスピンは 量子技術の鍵です
  • 制御されたカップリングで 原子精度の高い量子装置の組み立ては 長い目標です

研究 の 目的:

  • 電子・スピン・キュービットの 原子対原子構造を 示すためだ
  • これらの量子ビットの操作と読み取りの 整合性を達成するためです
  • 量子機能のためのスケーラブルなプラットフォームを開発する

主な方法:

  • スキャニング・トンネル顕微鏡を使って 原子ごとに組み立てました
  • 単原子磁石からのローカル磁場グラデーションをリモートクビット制御に使用した.
  • 読み取りのためのセンサ量子ビットとパルスされた二重電子スピン共振を実装します.

主要な成果:

  • クープリングされた電子・スピン・クイビットで 一貫した操作を成功裏に構築し実証した.
  • 単一の,2つ,3つの量子ビットの動作を完全に電気的に達成しました.
  • "リモート"クビットの制御と読み取りの方法を確立しました.

結論:

  • 電子のスピンに基づいたアングストームスケールの量子ビットプラットフォームが実現しました.
  • このプラットフォームは 原子精度で量子装置の ボトムアップ組み立てを容易にする
  • 表面ベースの電子スピン配列を用いた将来の量子機能の可能性.