Composite defect extends analogy between cosmology and 3He

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Abstract

Spin-mass vortices have been observed to form in rotating superfluid 3He−B, following the absorption of a thermal neutron and a rapid transition from the normal to the superfluid state. The spin-mass vortex is a composite defect which consists of a planar soliton (wall) which terminates on a linear core (string). This observation fits well within the framework of a cosmological scenario for defect formation, known as the Kibble-Zurek mechanism. It suggests that in the early Universe analogous cosmological defects might have formed.

Details

Original languageEnglish
Pages (from-to)4739-4742
JournalPhysical Review Letters
Volume85
Issue number22
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed

    Research areas

  • superfluid 3He-B, spin-mass vortex, composite defect

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