The density of a fluid on a curved surface

  title={The density of a fluid on a curved surface},
  author={Riccardo Fantoni},
  journal={arXiv: Statistical Mechanics},
  • R. Fantoni
  • Published 1 October 2012
  • Physics
  • arXiv: Statistical Mechanics
We discuss the property of the number density of a fluid of particles living in a curved surface without boundaries to be constant in the thermodynamic limit. In particular we find a sufficient condition for the density to be constant along the Killing vector field generating a given isometry of the surface and the relevant necessary condition. We reinterpret the effect of a curvature on the fluid in a physical way as responsible of an external "force" acting on the particles. 
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