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- Title
SUPERFLUID HELIUM: Visualization of quantized vortices.
- Authors
Bewley, Gregory P.; Lathrop, Daniel P.; Sreenivasan, Katepalli R.
- Abstract
When liquid helium is cooled to below its phase transition at 2.172 K, vortices appear with cores that are only ångströms in diameter, about which the fluid circulates with quantized angular momentum. Here we generate small particles of solid hydrogen that can be used to image the cores of quantized vortices in their three-dimensional environment of liquid helium. This technique enables the geometry and interactions of these vortices to be observed directly.
- Subjects
LIQUID helium; PHASE transitions; HYDROGEN; VORTEX motion; ANGULAR momentum (Nuclear physics)
- Publication
Nature, 2006, Vol 441, Issue 7093, p588
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/441588a