Motion of vortex lines in nonlinear wave mechanics

Details Motion of vortex lines in nonlinear wave mechanics Motion of vortex lines in nonlinear wave mechanics

2001-10-25

arxiv.org/abs/quant-ph/0110145v1

Phys. Rev. A 65, 014101 (2002)

Physics

Quantum Physics

To appear in Phys. Rev. A, 4 pages

Scientific paper

10.1103/PhysRevA.65.014101

We extend our previous analysis of the motion of vortex lines [I. Bialynicki-Birula, Z. Bialynicka-Birula and C. Sliwa, Phys. Rev. A 61, 032110 (2000)] from linear to a nonlinear Schroedinger equation with harmonic forces. We also argue that under certain conditions the influence of the contact nonlinearity on the motion of vortex lines is negligible. The present analysis adds new weight to our previous conjecture that the topological features of vortex dynamics are to a large extent universal.

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