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- W2495475157 abstract "Very recent experimental work has demonstrated the existence of Kelvin waves along quantized vortex filaments in superfluid helium. The possible configurations and motions of such filaments is of great physical interest, and Svistunov previously obtained a Hamiltonian formulation for the dynamics of quantum vortex filaments in the low-temperature limit under the assumption that the vortex filament is essentially aligned along one axis, resulting in a two-dimensional (2D) problem. It is standard to approximate the dynamics of thin filaments by employing the local induction approximation (LIA), and we show that by putting the two-dimensional LIA into correspondence with the first equation in the integrable Wadati-Konno-Ichikawa-Schimizu (WKIS) hierarchy, we immediately obtain solutions to the two-dimensional LIA, such as helix, planar, and self-similar solutions. These solutions are obtained in a rather direct manner from the WKIS equation and then mapped into the 2D-LIA framework. Furthermore, the approach can be coupled to existing inverse scattering transform results from the literature in order to obtain solitary wave solutions including the analog of the Hasimoto one-soliton for the 2D-LIA. One large benefit of the approach is that the correspondence between the 2D-LIA and the WKIS allows us to systematically obtain vortex filament solutions directly in the Cartesian coordinate frame without the need to solve back from curvature and torsion. Implications of the results for the physics of experimentally studied solitary waves, Kelvin waves, and postvortex reconnection events are mentioned." @default.
- W2495475157 created "2016-08-23" @default.
- W2495475157 creator A5056297542 @default.
- W2495475157 date "2016-05-09" @default.
- W2495475157 modified "2023-09-27" @default.
- W2495475157 title "Solitons and nonlinear waves along quantum vortex filaments under the low-temperature two-dimensional local induction approximation" @default.
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- W2495475157 doi "https://doi.org/10.1103/physreve.93.052208" @default.
- W2495475157 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/27300881" @default.
- W2495475157 hasPublicationYear "2016" @default.
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