Exploding and Imaging of Electron Bubbles in Liquid Helium

Exploding and Imaging of Electron Bubbles in Liquid Helium
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液氦中电子泡的爆炸和成像

DOI:
10.1007/s10909-016-1713-7
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发表时间:
2017
影响因子:
2
通讯作者:
Ghosh, Ambarish
Ghosh, Ambarish
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Yadav, Neha;Vadakkumbatt, Vaisakh;Maris, Humphrey J.;Ghosh, Ambarish

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饱和蒸汽压下液态氦-4中的电子泡变得不稳定,当蒸汽压大于- 1.9 bar时发生爆炸。在本文中,我们使用聚焦超声来爆炸电子气泡。然后我们以每秒3万帧的速度拍摄气泡的增长和随后的崩溃。我们发现,在空化事件发生后的2ms内,气泡的直径可以达到1mm。研究了气泡最大尺寸与寿命的关系,与实验结果吻合较好。
An electron bubble in liquid helium-4 under the saturated vapor pressure becomes unstable and explodes if the pressure becomes more negative than −1.9 bars. In this paper, we use focused ultrasound to explode electron bubbles. We then image at 30,000 frames per second the growth and subsequent collapse of the bubbles. We find that bubbles can grow to as large as 1 mm in diameter within 2 ms after the cavitation event. We examine the relation between the maximum size of the bubble and the lifetime and find good agreement with the experimental results.
DOI: --
发表时间: 1996
影响因子: 8.6
作者:
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期刊: PHYSICAL REVIEW
影响因子: --
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期刊: Physical Review B (Condensed Matter)
影响因子: --
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DOI: --
发表时间: 1996
期刊:
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作者:
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