Odd Diffusivity of Chiral Random Motion.

  title={Odd Diffusivity of Chiral Random Motion.},
  author={Cory Hargus and Jeffrey M. Epstein and Kranthi K. Mandadapu},
  journal={Physical review letters},
  volume={127 17},
Diffusive transport is characterized by a diffusivity tensor which may, in general, contain both a symmetric and an antisymmetric component. Although the latter is often neglected, we derive Green-Kubo relations showing it to be a general characteristic of random motion breaking time-reversal and parity symmetries, as encountered in chiral active matter. In analogy with the odd viscosity appearing in chiral active fluids, we term this component the odd diffusivity. We show how odd diffusivity… 

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