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関連する概念動画

Atomic Nuclei: Nuclear Spin State Overview01:03

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NMR-active nuclei have energy levels called 'spin states' that are associated with the orientations of their nuclear magnetic moments. In the absence of a magnetic field, the nuclear magnetic moments are randomly oriented, and the spin states are degenerate. When an external magnetic field is applied, the spin states have only 2 + 1 orientations available to them. A proton with = ½ has two available orientations. Similarly, for a quadrupolar nucleus with a nuclear spin value of...
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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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First-order electrical circuits, which comprise resistors and a single energy storage element - either a capacitor or an inductor, are fundamental to many electronic systems. These circuits are governed by a first-order differential equation that describes the relationship between input and output signals.
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The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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量子プロセッサでトポロジカルにオーダーされた状態を実現する

K J Satzinger1, Y-J Liu2,3, A Smith2,4,5

  • 1Google Quantum AI, Mountain View, CA, USA.

Science (New York, N.Y.)
|December 2, 2021
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まとめ
この要約は機械生成です。

研究者は超伝導量子プロセッサを使って トポロジカルにオーダーされた基底状態を作成しました この研究は量子エラーの修正と トポロジカル量子物質の研究を進めている.

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科学分野:

  • 量子物理学
  • 凝縮物質物理学
  • 量子情報科学

背景:

  • トポロジカル・オーダーは 量子物質の理解を根本的に変えました
  • 量子エラー補正コードの基礎を築きました
  • トポロジカルに秩序付けられた状態を創造することは,凝縮された物質と合成システムの両方で困難です.

研究 の 目的:

  • トリックコードの基本的状態を実験的に実現する.
  • トポロジカルな絡み合いのエントロピーと新興刺激の織り込み統計を調査する.
  • 量子コンピューティングに関連する表面コードの重要な側面を探求する.

主な方法:

  • 超伝導量子プロセッサに 効率的な量子回路の実装
  • トポロジカルエントラピーの測定
  • ブラッシングの統計抽出のためのアニオン干渉測定のシミュレーション.
  • 表面コードにおける論理状態の注入と順序パラメータの崩壊の調査.

主要な成果:

  • トリックコードの準備が成功しました
  • ln2の理論値に近いトポロジカルエントラピーの測定.
  • アニオンインターフェロメトリーによる発生刺激の編み統計の抽出.
  • 論理状態の注入とオーダーパラメータの崩壊を含む,表面コードの性質の分析.

結論:

  • 量子プロセッサは トポロジカルな量子物質に 価値ある洞察を提供できます
  • この研究は,量子エラーの修正を進めるための量子プロセッサの潜在能力を示しています.
  • トポロジカル状態の実験的実現と特徴付けは,将来の量子技術の道を開く.