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Superfluid helium

Caught speeding

Nature Physics volume 12, page 993 (2016)Cite this article

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A wire moving at constant speed through superfluid helium can considerably exceed the Landau critical velocity.

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Figure 1: Schematic of the energy dispersion, E(p), for superfluid 4He with a roton gap ΔE.

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Authors and Affiliations

  1. William P. Halperin is in the Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, USA,

    William P. Halperin

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  1. William P. Halperin
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Correspondence to William P. Halperin.

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Halperin, W. Caught speeding. Nature Phys 12, 993 (2016). https://doi.org/10.1038/nphys3843

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