On the zero helicity condition for quantum vortex defects

In this note we provide an analytical proof of the zero helicity condition for systems governed by the Gross–Pitaevskii equation (GPE). The proof is based on the hydrodynamic interpretation of the GPE, and the direct use of Noether's theorem by applying Kleinert's multi-valued gauge theory...

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Veröffentlicht in:	Journal of fluid mechanics 2023-05, Vol.963, Article R2
Hauptverfasser:	Belloni, Andrea, Ricca, Renzo L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Defects Gauge theory Helicity JFM Rapids Superfluidity Velocity Vortices
Online-Zugang:	Volltext
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