The intersection of a vortex line with a transverse soliton plane in rotating 3He-A: π3 topology
Ruutu V.M.H., Parts U., Koivimiemi J.H., Krusius M., Thuueberg E.V., Volovik G.E.
The coexistence of two continuous textures of different dimensionality is observed in the A-phase of supernuid 3He: nonsingular An vortex lines crossing a planar transverse soli ton. The nontrivial тгз topology of the intersection point is discussed in terms of the linking numbers.