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相关实验视频

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Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

陷入费米离子超流体中的配对间隙和间隙激发.

J Kinnunen1, M Rodríguez, P Törmä

  • 1Department of Physics, NanoScience Center, Post Office Box 35, FIN-40014, University of Jyväskylä, Finland.

Science (New York, N.Y.)
|July 24, 2004
PubMed
概括

我们研究了超流体温度下的原子费米气体. 射频光谱揭示了配对间隙和未配对的原子,支持最近对超流体中多体配对的观测.

科学领域:

  • 原子,分子和光学物理学
  • 凝聚物质物理学 凝聚物质物理学
  • 量子气体是一种量子气体.

背景情况:

  • 研究强烈相互作用的费米气体对于理解新出现的量子现象至关重要.
  • 费什巴赫的共振技术能够精确地控制原子相互作用,从而促进对超流动性的研究.
  • 伪间隙和超流体相代表了强烈相关的量子系统中的关键状态.

研究的目的:

  • 为了计算被困的原子费米气体的射频激发光谱.
  • 为了识别配对间隙和间隙激发 (未配对的原子) 的签名.
  • 为最近关于费米气体超流动性的实验观测提供理论支持.

主要方法:

  • 射频 (或激光) 激发光谱的理论计算.
  • 分析涉及超流体状态的过渡.
  • 在费米气体中模拟费施巴赫共振增强相互作用.

主要成果:

  • 计算的频谱清楚地显示了配对间隙.
  • 频谱还显示了不配对原子的贡献,称为隙激发.
  • 这些结果与配对间隙的无线电频谱学实验发现一致.

结论:

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A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
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A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

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Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
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Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

Spatial Separation of Molecular Conformers and Clusters
10:37

Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
11:14

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

Published on: January 10, 2017

  • 观察到的射频频谱支持原子费米气体存在超流体状态.
  • 在这个系统中,配对是一种多体现象.
  • 最近的无线电频谱学实验成功地观察了费米超流体中的配对间隙.