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Superfluid helium-4 in one dimensional channel

Record type: Conference or Workshop Item (Paper)

Superfluidity, as superconductivity, cannot exist in a strict one-dimensional system. However, the experiments employing porous media showed that superfluid helium can flow through the pores of nanometer size. Here we report a study of the flow of liquid helium through a single hollow glass fiber of 4 cm in length with an open id of 150 nm between 1.6 and 2.3 K. We found the superfluid transition temperature was suppressed in the hollow cylinder and that there is no flow above the transition. Critical velocity at temperature below the transition temperature was determined. Our results bear some similarity to that found by Savard et. al. [1] studying the flow of helium through a nanohole in a silicon nitrite membrane.
[1] M.Savard, G.Dauphinais, and G.Gervais, Phys. Rev. Lett. 107, 254501 (2011)
Experimental study at Penn State is supported by NSF Grants No.DMR 1103159.

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Citation

Kim, Y., Banavar, S., Chan, M.H.W., Hayes, J. and Sazio, P.J.A. (2013) Superfluid helium-4 in one dimensional channel At The American Physical Society (APS) March Meeting, United States. 18 - 22 Mar 2013.

More information

e-pub ahead of print date: 2013
Venue - Dates: The American Physical Society (APS) March Meeting, United States, 2013-03-18 - 2013-03-22
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 376004
URI: http://eprints.soton.ac.uk/id/eprint/376004
PURE UUID: 463e6b2c-5f1b-46ca-a1d0-94a1fc697bf1
ORCID for P.J.A. Sazio: ORCID iD orcid.org/0000-0002-6506-9266

Catalogue record

Date deposited: 22 Apr 2015 13:51
Last modified: 17 Jul 2017 21:12

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Contributors

Author: Y. Kim
Author: S. Banavar
Author: M.H.W. Chan
Author: J. Hayes
Author: P.J.A. Sazio ORCID iD

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