Nonappearance of Vortices in Fast Mechanical Expansions of Liquid4Hethrough the Lambda Transition

1998/08/12 by M. E. Dodd, P. C. Hendry, N. S. Lawson +2 · 7 citations
Physics and Astronomy · #Atomic and Subatomic Physics Research #Cosmology and Gravitation Theories #Quantum, superfluid, helium dynamics #cond-mat.soft

paper · pdf · doi:10.1103/physrevlett.81.3703

published as Phys. Rev. Lett. 81 (1998) 3703-3706 · 4 pages plus 4 Postscript figures

arxiv created 1998/08/12 · openalex publication_date 1998/10/26 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

A new experiment has been performed to study the formation of topological defects (quantized vortices) during rapid quenches of liquid ⁴He through the superfluid transition, with particular care taken to minimize vortex creation via conventional hydrodynamic flow processes. It is found that the generated vortices, if any, are being produced at densities at least 2 orders of magnitude less than might be expected on the basis of the Kibble-Zurek mechanism.

Citations

• Topology of cosmic domains and strings

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