Superfluid Helium Drops Levitated in High Vacuum

被引：4
作者：
Brown, C. D. [1 ,2 ]
Wang, Y. [3 ]
Namazi, M. [1 ,2 ]
Harris, G. I. [1 ,2 ,4 ]
Uysal, M. T. [1 ,2 ]
Harris, J. G. E. [1 ,2 ,3 ]
机构：
[1] Yale Univ, Dept Phys, New Haven, CT 06520 USA
[2] Yale Univ, Yale Quantum Inst, New Haven, CT 06520 USA
[3] Yale Univ, Dept Appl Phys, New Haven, CT 06520 USA
[4] Univ Queensland, AARC Ctr Excellence Engn Quantum Syst, Sch Math & Phys, St Lucia, Qld 4072, Australia
来源：
PHYSICAL REVIEW LETTERS | 2023年 / 130卷 / 21期
关键词：
MAGNETIC-LEVITATION; SPECTROSCOPY; STABILITY; MOLECULES; DROPLETS;
D O I：
10.1103/PhysRevLett.130.216001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate the trapping of millimeter-scale superfluid helium drops in high vacuum. The drops are sufficiently isolated that they remain trapped indefinitely, cool by evaporation to 330 mK, and exhibit mechanical damping that is limited by internal processes. The drops are also shown to host optical whispering gallery modes. The approach described here combines the advantages of multiple techniques, and should offer access to new experimental regimes of cold chemistry, superfluid physics, and optomechanics.
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页数：5
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