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Slowly unwinding in 3He.

Research output: Contribution to journalBook/Film/Article review

Published

<mark>Journal publication date</mark>30/04/1992
<mark>Journal</mark>Nature
Issue6372
Volume356
Number of pages2
Pages749-750
<mark>Original language</mark>English

Abstract

Quantized vortices in superfluid 3He wrapped around a smooth wire can slowly unzip themselves, precessing as they do so, according to a recent experiment by R. E. Packard and colleagues (R. J. Zieve et ai. Phys. Rev. Leu. 68, 1327- 1330; 1992) at the University of California at Berkeley. This discovery was the unexpected bonus of an experiment which yielded an extremely accurate value of the quantum of circulation.