Defect turbulence and generalized statistical mechanics

  title={Defect turbulence and generalized statistical mechanics},
  author={Karen E. Daniels and Christian Beck and Eberhard Bodenschatz},
We present experimental evidence that the motion of point defects in thermal convection patterns in an inclined fluid layer is well-described by Tsallis statistics with an entropic index q ≈ 1.5. The dynamical properties of the defects (anomalous diffusion, shape of velocity distributions, power law decay of correlations) are in good agreement with typical predictions of nonextensive models, over a range of driving parameters. 
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