Possible transmission experiments with low-velocity helium droplets

A. Wynveen, K. A. Lidke, Y. Lutsyshyn, and J. W. Halley
Phys. Rev. B 75, 054506 – Published 9 February 2007

Abstract

We show that very low velocity droplets can be used to carry out an experiment to test whether condensate mediated transmission processes can occur in a superfluid droplet of He4. By appropriately choosing the droplet radius and temperature, we can eliminate the competing roton, phonon, and ripplon mediated elastic transmission events. Then a calculation shows that if a few percent or more of the incident atoms experience anomalous condensate mediated transmission, the effects should be detectable in the droplet trajectories. We consider two forms of the experiment, involving a freely falling droplet in ambient vapor in the first instance and an oscillating droplet in a magnetic trap in the second.

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  • Received 10 October 2005

DOI:https://doi.org/10.1103/PhysRevB.75.054506

©2007 American Physical Society

Authors & Affiliations

A. Wynveen, K. A. Lidke, Y. Lutsyshyn, and J. W. Halley

  • School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA

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Issue

Vol. 75, Iss. 5 — 1 February 2007

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