Reexamination of Quenches in4He(and3He)

1998/04/01 by G. Karra, R. J. Rivers · 2 citations
Earth and Planetary Sciences · Physics and Astronomy · #Atomic and Subatomic Physics Research #High-pressure geophysics and materials #Quantum, superfluid, helium dynamics #hep-ph

paper · pdf · doi:10.1103/physrevlett.81.3707

published as Phys.Rev.Lett. 81 (1998) 3707-3710 · 4 pages, Revtex

arxiv created 1998/04/01 · openalex publication_date 1998/10/26 · arxiv updated 2009/11/30 · openalex created_date 2017/05/26 · openalex updated_date 2026/07/28

Abstract

In the light of recent difficulties in observing vortices in quenches of liquid ⁴He to its superfluid state, we reexamine the Zurek scenario for their production. We argue that experiments in ⁴He are unlikely to produce true vortices in the numbers originally anticipated, if at all, because of the wide Ginzberg regime and the slowness of the mechanical quenches. On the other hand, the observed production of unambiguous vortices in neutron-bombarded ³He, with its narrow Ginzburg regime and fast quenches, is to be expected.

Citations

• Nonappearance of Vortices in Fast Mechanical Expansions of Liquid4Hethrough the Lambda Transition
• Topology of cosmic domains and strings

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