Structure of the surface vortex sheet between two rotating 3He superfluids

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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2003
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Mcode
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Language
en
Pages
1-4
Series
Physical Review Letters, Volume 90, issue 22
Abstract
We study a two-phase sample of superfluid 3He where vorticity exists in one phase (3He−A) but cannot penetrate across the interfacial boundary to a second coherent phase (3He−B). We calculate the bending of the vorticity into a surface vortex sheet on the interface and solve the internal structure of this new type of vortex sheet. The compression of the vorticity from three to two dimensions enforces a structure which is made up of 12-quantum units, independently of the structure of the source vorticity in the bulk. These results are consistent with our NMR measurements.
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Keywords
superfluid 3He, vortex sheet
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Citation
Hänninen , R , Blaauwgeers , R , Eltsov , V , Finne , A , Krusius , M , Thuneberg , E & Volovik , G 2003 , ' Structure of the surface vortex sheet between two rotating 3He superfluids ' , Physical Review Letters , vol. 90 , no. 22 , 225301 , pp. 1-4 . https://doi.org/10.1103/PhysRevLett.90.225301