Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

The Squeeze Theorem01:30

The Squeeze Theorem

33
Certain mathematical functions exhibit unpredictable or highly variable behavior near specific input values, making direct evaluation of their limits challenging. This complexity may arise from rapid oscillations or irregular patterns that obscure the function’s trend. In such cases, the Squeeze Theorem offers a reliable method for determining limits.According to the Squeeze Theorem, if a function is confined between two other functions near a particular point, and both outer functions...
33
Fermi Level Dynamics01:12

Fermi Level Dynamics

421
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
421
First Law: Particles in Two-dimensional Equilibrium01:18

First Law: Particles in Two-dimensional Equilibrium

9.6K
Recall that a particle in equilibrium is one for which the external forces are balanced. Static equilibrium involves objects at rest, and dynamic equilibrium involves objects in motion without acceleration; but it is important to remember that these conditions are relative. For instance, an object may be at rest when viewed from one frame of reference, but that same object would appear to be in motion when viewed by someone moving at a constant velocity.
Newton's first law tells us about...
9.6K
Boundary Conditions: Lossless Lines01:21

Boundary Conditions: Lossless Lines

189
Consider a single-phase, two-wire, lossless transmission line terminated by an impedance at the receiving end and a source with Thevenin voltage and impedance at the sending end. The line, with length, has a surge impedance and wave velocity determined by the line's inductance and capacitance.
At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...
189
Dimensionless Groups in Fluid Mechanics01:15

Dimensionless Groups in Fluid Mechanics

553
Dimensionless groups in fluid mechanics provide simplified ratios that help analyze fluid behavior without relying on specific units. The Reynolds number (Re), which represents the ratio of inertial to viscous forces, distinguishes between laminar and turbulent flows, making it essential in the design of pipelines and aerodynamic surfaces. The Froude number (Fr), the ratio of inertial to gravitational forces, is particularly useful in predicting wave formation and hydraulic jumps in...
553
Region of Convergence of Laplace Tarnsform01:20

Region of Convergence of Laplace Tarnsform

820
The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This...
820

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Anyon superconductivity from topological criticality in a Hofstadter-Hubbard model.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Thermography of the superfluid transition in a strongly interacting Fermi gas.

Science (New York, N.Y.)·2024
Same author

Direct observation of nonlocal fermion pairing in an attractive Fermi-Hubbard gas.

Science (New York, N.Y.)·2023
Same author

Spin-triplet superconductivity from excitonic effect in doped insulators.

Proceedings of the National Academy of Sciences of the United States of America·2022
Same author

Crystallization of bosonic quantum Hall states in a rotating quantum gas.

Nature·2022
Same author

New mechanism and exact theory of superconductivity from strong repulsive interaction.

Science advances·2021

関連する実験動画

Updated: Nov 1, 2025

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.4K

最低ランдауレベルへの幾何学的な圧縮

Richard J Fletcher1, Airlia Shaffer2, Cedric C Wilson2

  • 1MIT-Harvard Center for Ultracold Atoms, Research Laboratory of Electronics, and Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. rfletch@mit.edu.

Science (New York, N.Y.)
|June 18, 2021
PubMed
まとめ

ボーゼ-アインシュタイン凝縮体の回転に 量子不確実性を絞り込み 前例のない運動量と原子間距離を達成しました この突破は 強く相関するボゾン流体を作る 新しい経路を提供します

さらに関連する動画

Obtention of Giant Unilamellar Hybrid Vesicles by Electroformation and Measurement of their Mechanical Properties by Micropipette Aspiration
09:29

Obtention of Giant Unilamellar Hybrid Vesicles by Electroformation and Measurement of their Mechanical Properties by Micropipette Aspiration

Published on: January 19, 2020

8.7K
Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

9.4K

関連する実験動画

Last Updated: Nov 1, 2025

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.4K
Obtention of Giant Unilamellar Hybrid Vesicles by Electroformation and Measurement of their Mechanical Properties by Micropipette Aspiration
09:29

Obtention of Giant Unilamellar Hybrid Vesicles by Electroformation and Measurement of their Mechanical Properties by Micropipette Aspiration

Published on: January 19, 2020

8.7K
Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

9.4K

科学分野:

  • 量子物理学
  • 凝縮物質物理学
  • 原子物理学

背景:

  • 回転する粒子の振る舞いは 磁場内の電荷粒子を映し出し 原子核や量子ホール効果のような 多様なシステムに影響を与えます
  • 量子力学は,このようなシステムにおける空間座標に対するハイゼンベルク不確実性関係を,非通行変換によって示唆している.

研究 の 目的:

  • 回転するボース-アインシュタイン凝縮体における幾何学的量子不確実性の圧縮を実装する.
  • 量子状態とその性質を調査する

主な方法:

  • ボーゼ-アインシュタインの回転コンデンサートの作成.
  • 量子不確実性の幾何学的圧縮の実施
  • ゼロポイントサイクロトロン軌道解像度

主要な成果:

  • コンデンサートは1つのランドーゲージの波関数を占めていた.
  • 軌道中心の幾何学的な圧縮は 標準量子限度より7デシベル低く達成されました
  • コンデンサは粒子当たり1000クアンタを超えるモメントを示した.
  • サイクロトロン軌道に匹敵する原子間距離が観測された.

結論:

  • ボーゼ-アインシュタイン凝縮体における量子不確実性を操作するための新しい方法を示した.
  • サイクロトンの軌道を 大きく圧縮し 標準の量子限界を超えました
  • 独特の性質を持つ 強い相関性を持つボゾン流体を作るための 新しい道を開いた