Abstract
Small tracer particles in He II are visualized, and their motions are analyzed. Lagrangian velocity distribution is computed by analyzing the visualized particle images through particle tracking velocimetry technique. We studied how the particle sizes affect the statistics of particle motions.
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Acknowledgements
Financial support from the Japan Society for the Promotion of Science (B) 15H039173 and Challenging Exploratory Research 16K14158 is gratefully acknowledged. The generous experimental support of Mr. Akira Hirano and Mr. Daiki Kato was indispensable for our measurements.
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Kubo, W., Tsuji, Y. Lagrangian Trajectory of Small Particles in Superfluid He II. J Low Temp Phys 187, 611–617 (2017). https://doi.org/10.1007/s10909-017-1764-4
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DOI: https://doi.org/10.1007/s10909-017-1764-4