Abstract
When an acoustic wave pulse was applied to metastable superfluid 4He above the megting pressure, a bulk 4He crystal was nucleated in the superfluid at low temperatures. Overpressure in which the metastable liquid could exist was investigated by changing the acoustic wave power. A larger power pulse could nucleate the crystal in smaller overpressures, which decreased linearly in the acoustic wave power.
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Kimura, S., Ogasawara, F., Nomura, R. et al. Nucleation of Solid 4He by Acoustic Waves. Journal of Low Temperature Physics 134, 145–150 (2004). https://doi.org/10.1023/B:JOLT.0000012547.59994.5b
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DOI: https://doi.org/10.1023/B:JOLT.0000012547.59994.5b