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Canonical description of incompressible fluid -- Dirac brackets approach (1009.1705v1)

Published 9 Sep 2010 in physics.flu-dyn, math-ph, math.MP, physics.class-ph, and physics.plasm-ph

Abstract: We present a novel canonical description of the incompressible fluid dynamics. This description uses the dynamical constraints, in our case reflecting "incompressibility" assumption, and leads to replacement of usual hydrodynamical Poisson brackets for density and velocity fields with Dirac brackets. The resulting equations are then known nonlinear, and non-local in space, equations for incompressible fluid velocity.

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