関連する実験動画
Updated: Mar 28, 2026

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.8K
半メートルのスケールでの量子スーパーポジション
T Kovachy1, P Asenbaum1, C Overstreet1
1Department of Physics, Stanford University, Stanford, California 94305, USA.
Nature
|December 25, 2015
まとめ
量子重置は前例のないマクロスケールで 巨大な粒子を演じています この研究により 量子力学は 日常生活にも応用され 高度な重力測定の道が開けました
科学分野:
- 量子力学
- 原子物理学
- 顕微鏡量子現象について
背景:
- 量子スーパーポジションは 粒子の移位を可能にします クラシック直感をマクロスケールで挑戦します
- 物質波インターフェロメトリは重置を検知するが,波パケットの分離にはデコエレンスによる制限がある.
- シュロディンガーの猫の思考実験は 顕微鏡の重組の直感に反する性質を強調しています
研究 の 目的:
- 実験的にマクロスケールで 量子スーパーポジションの原理を 探求する
- 原子インターフェロメトリーの波パケット分離の限界を克服するために.
- 量子物理学から古典物理学への移行を 探求する
主な方法:
- ナノケルビン未満の原子温度で光パルス原子干渉計を用いた.
- 1秒のタイムスケールで大きな波パケット分離 (最大54cm) を達成した.
- 干渉コントラストを維持するために補償された横断光学力.
主要な成果:
- 54cmの距離で 量子干渉を証明した
- マクロスケールで28%の有意な干渉コントラストを維持した.
- 量子スーパーポジションを 日常の距離と時間スケールに 拡張した
結論:
- 量子スーパーポジションは 量子力学と古典的現実を 橋渡しする 新しいマクロスコーピック体制で実現可能である
- 大量の量子スーパーポジション状態は,強化された原子干渉計のアプリケーションに不可欠です.
- 将来の応用には,同等性原理と重力波検出の改善されたテストが含まれます.
関連する概念動画
Coulomb's Law and The Principle of Superposition
11.9K
Coulomb's Law describes the force experienced by two point charges under each other's presence. But what if there are more than two charges? For example, if there is a third charge, does it experience a force that is a simple combination of the individual forces due to the first two charges? Can it be described mathematically?
The Principle of Superposition answers the question. Yes, Coulomb's Law applies to each pair of charges, and the net force on each charge is the vector sum of...
The Principle of Superposition answers the question. Yes, Coulomb's Law applies to each pair of charges, and the net force on each charge is the vector sum of...
11.9K
The Quantum-Mechanical Model of an Atom
61.6K
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.
61.6K
The Principle of Superposition and the Gravitational Field
2.2K
The principle of superposition applies to gravitational forces of objects that are sufficiently far apart. It states that the net gravitational force on a point object is the vector sum of the gravitational forces on it due to various objects. The principle helps calculate the force by listing the individual forces and then vectorially summing them up. However, it should be noted that the principle of superposition is not always apparent. In the presence of a second force, the first force could...
2.2K
The de Broglie Wavelength
34.6K
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...
34.6K
Superposition Theorem
1.7K
The superposition principle is a fundamental concept stating that in a linear circuit, the voltage across (or current through) an element can be determined by summing the individual contributions of each independent source acting in isolation. When dealing with linear circuits containing multiple independent sources, this principle serves as a valuable tool for analysis. To apply the superposition principle effectively, one should focus on a single independent source at a time while...
1.7K
Interference and Superposition of Waves
7.4K
When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
7.4K

