Energy in density gradient

@article{Vranjes2015EnergyID,
  title={Energy in density gradient},
  author={J. Vranjes and M. Kono},
  journal={arXiv: Plasma Physics},
  year={2015}
}
Inhomogeneous plasmas and fluids contain energy stored in inhomogeneity and they naturally tend to relax into lower energy states by developing instabilities or by diffusion. But the actual amount of energy in such inhomogeneities has remained unknown. In the present work the amount of energy stored in a density gradient is calculated for several specific density profiles in a cylindric configuration. This is of practical importance for drift wave instability in various plasmas, and in… Expand

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