Helicity Conservation via the Noether Theorem
classification
solv-int
nlin.SI
keywords
groupconservationhelicitynoethertheoremalphabarotropicdiscussed
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The conservation of helicity in ideal barotropic fluids is discussed from a group theoretical point of view. A new symmetry group is introduced i.e. the alpha group of translations. It is proven via the Noether theorem that this group generates helicity conservation.
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