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Neutron-detected tomography of impurity-seeded superfluid helium
M E Hayden1, G Archibald, P D Barnes
1Physics Department, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6.
Physical Review Letters
|September 28, 2004
Abstract:
We describe a neutron radiography technique that can be used to map the distribution of 3He impurities in liquid 4He, providing direct and quantitative access to underlying transport processes. Images reflecting finite normal- and superfluid-component 4He velocity fields are presented.
