Plane waves in noncommutative fluids
  We study the dynamics of the noncommutative fuid in the Snyder space perturbatively at the first order in powers of the noncommutative parameter. The linearized noncommutative fluid dynamics is described by a system of coupled linear partial differential equations in which the variables are the fluid density and the fluid potentials. We show that these equations admit a set of solutions that are monocromatic plane waves for the fluid density and two of the potentials and a linear function for the third potential. The energy-momentum tensor of the plane waves is calculated. 
M. C. B. Abdalla, L. Holender, M. A. Santos and I. V. Vancea
hep-th gr-qc math-ph math.MP physics.flu-dyn quant-ph