Revealing mesoscopic structural universality with diffusion.

  title={Revealing mesoscopic structural universality with diffusion.},
  author={Dmitry S. Novikov and Jens H. Jensen and Joseph A. Helpern and Els Fieremans},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={111 14},
Measuring molecular diffusion is widely used for characterizing materials and living organisms noninvasively. This characterization relies on relations between macroscopic diffusion metrics and structure at the mesoscopic scale commensurate with the diffusion length. Establishing such relations remains a fundamental challenge, hindering progress in materials science, porous media, and biomedical imaging. Here we show that the dynamical exponent in the time dependence of the diffusion… CONTINUE READING
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