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関連する概念動画

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
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Photoelectric Effect02:26

Photoelectric Effect

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
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π Electron Effects on Chemical Shift: Overview01:27

π Electron Effects on Chemical Shift: Overview

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An applied magnetic field causes loosely bound π-electrons in organic molecules to circulate, producing a local or induced diamagnetic field over a large spatial volume. As the molecules tumble in solution, the field generated by π-electrons in spherical substituents results in a zero net field. However, the net field generated by π-electrons in non-spherical substituents is not zero. The effect of this induced field depends on the orientation of the molecule with respect to B0,...
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The Uncertainty Principle04:08

The Uncertainty Principle

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Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
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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...
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The de Broglie Wavelength02:32

The de Broglie Wavelength

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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...
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Updated: Apr 27, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor
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電子量子エレーザーです.

E Weisz1, H K Choi1, I Sivan1

  • 1Braun Center for Submicron Research, Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel.

Science (New York, N.Y.)
|June 21, 2014
PubMed
まとめ
この要約は機械生成です。

研究者らは,メソスコピック電子装置の相互作用する電子を用いた量子エレーザーを実証し,経路情報を消去することによって失われた量子行動を復元する. この電子的なアプローチは,従来の光学的な方法よりも多くの制御を提供します.

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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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Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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科学分野:

  • 量子力学は,量子力学という
  • メソスコピック電子機器
  • 量子情報科学とは,量子情報科学である.

背景:

  • 量子エレーザーは,量子原理の核心である補完性を示しています.
  • 量子エレーザーは,主に光学システムで実証されています.
  • "どの経路"情報を消去すると,相解のシステムで失われた量子行動が復元できます.

研究 の 目的:

  • メソスコピック電子装置における量子エレーザーに関する新しい実用化を紹介する.
  • 量子消去のための相互作用する電子の利用を調査する.
  • 電子システムにおける制御された変数量子消去を可能にする.

主な方法:

  • メソスコピック電子機器の製造.
  • 相互作用する電子を量子システムとして利用する.
  • "どの経路"情報を消去するメカニズムを導入する.

主要な成果:

  • 電子システムにおける量子エレーザーの実証が成功しました.
  • 相互作用する電子を用いて抽出した情報を制御する.
  • 達成された量子消去度数のスムーズな変化.

結論:

  • 電子量子エレーザーは,量子現象を研究するための新しいプラットフォームを提供します.
  • 相互作用する電子は,光子と比較して,量子情報を制御する上で利点を提供しています.
  • この作業は,より複雑な量子情報処理セットアップのための基礎的なステップです.