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関連する概念動画

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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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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pH Scale02:41

pH Scale

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Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
80.4K
Scaling01:26

Scaling

599
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
599
Integration by Parts: Indefinite Integrals01:26

Integration by Parts: Indefinite Integrals

242
Integration by parts is a fundamental technique in calculus for evaluating integrals involving the product of two functions. It is particularly useful when direct integration is not feasible. The method is based on the product rule for differentiation, which states that the derivative of a product equals the derivative of the first function times the second, plus the first function times the derivative of the second. By integrating this identity and rearranging terms, the integration by parts...
242
Integration by Parts: Definite Integrals01:23

Integration by Parts: Definite Integrals

93
Definite integrals involving the product of two functions over a fixed interval can be evaluated using integration by parts. This method rewrites the integral as the difference of a product evaluated at the endpoints and a remaining definite integral that is often simpler to compute.A representative example is the definite integral of the inverse tangent function. Since there is no direct integration formula for arctan ⁡x, the integrand is rewritten as a product of arctan⁡ x and the...
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関連する実験動画

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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

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大規模な統合光学による多次元量子エンタグリング

Jianwei Wang1,2, Stefano Paesani3, Yunhong Ding4,5

  • 1Quantum Engineering Technology Labs, H. H. Wills Physics Laboratory and Department of Electrical and Electronic Engineering, University of Bristol, Bristol BS8 1FD, UK. jianwei.wang@bristol.ac.uk yudin@fotonik.dtu.dk anthony.laing@bristol.ac.uk mark.thompson@bristol.ac.uk.

Science (New York, N.Y.)
|March 10, 2018
PubMed
まとめ
この要約は機械生成です。

研究者は多次元量子システムを制御するための新しい統合量子光学プラットフォームを開発しました. このシリコンフォトニクスチップは 高次元の絡み合いを生成し 操作し 新しい量子応用を可能にします

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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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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関連する実験動画

Last Updated: Feb 13, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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科学分野:

  • 量子情報科学
  • 統合フォトニクス
  • 量子技術

背景:

  • 多次元量子システムの制御は 量子技術の進歩に不可欠です
  • 統合された光子プラットフォームは 複雑な量子操作にスケーラブルなアプローチを提供します

研究 の 目的:

  • 多次元統合量子光学プラットフォームを 実証する
  • 高次元の絡み合いを生成し 制御し 分析する
  • 多次元量子技術の開発のための実験的プラットフォームを提供すること.

主な方法:

  • 15×15までの寸法を持つプログラム可能な二重絡み合いのシステムの実現.
  • シリコンフォトニクスの量子回路に16のフォトンペアソースを含む550以上のフォトニックコンポーネントを統合する.
  • 多次元量子技術の精度,一般性,制御性を検証する.

主要な成果:

  • 大規模なシリコンフォトニクス量子回路の成功実証
  • 多次元量子状態の プログラム可能な制御を 達成した
  • 量子ランダム性の拡張や 多次元の状態の自己テストなど 新しい量子応用を探求しました

結論:

  • 開発されたプラットフォームは 多次元量子システムに対する前例のない制御を提供します
  • この研究は,高度な量子技術の実用化への道を開きます.
  • このプラットフォームの機能により,量子情報科学の新たな領域を 探求することができます.