Composite defect extends cosmology - 3He analogy

Details Composite defect extends cosmology - 3He analogy Composite defect extends cosmology - 3He analogy

2000-07-24

arxiv.org/abs/cond-mat/0007369v4

Phys.Rev.Lett. 85 (2000) 4739-4742

Physics

Condensed Matter

RevTeX file, 5 pages, 2 figures, submitted to Phys. Rev. Lett., modified according to referee report

Scientific paper

10.1103/PhysRevLett.85.4739

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 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.

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