Loopy Lévy flights enhance tracer diffusion in active suspensions

@article{Kanazawa2020LoopyLF,
  title={Loopy L{\'e}vy flights enhance tracer diffusion in active suspensions},
  author={Kiyoshi Kanazawa and Tomohiko G. Sano and Andrea Cairoli and Adrian Baule},
  journal={Nature},
  year={2020},
  volume={579},
  pages={364-367}
}
Brownian motion is widely used as a model of diffusion in equilibrium media throughout the physical, chemical and biological sciences. However, many real-world systems are intrinsically out of equilibrium owing to energy-dissipating active processes underlying their mechanical and dynamical features 1 . The diffusion process followed by a passive tracer in prototypical active media, such as suspensions of active colloids or swimming microorganisms 2 , differs considerably from Brownian motion… 
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