Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:


Model oddity

A model fluid comprising rotating magnetic particles behaves according to the equations of hydrodynamics, but for a few key differences due to broken mirror symmetry. The resulting active chiral fluid is characterized by parity-odd Hall viscosity.

This is a preview of subscription content, access via your institution

Relevant articles

Open Access articles citing this article.

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Fig. 1: In the experiments reported by Soni and co-authors a magnet rotates around a suspension of particles with magnetic moments.


  1. Soni, V. et al. Nat. Phys. (2019).

  2. Korving, J., Hulsman, H. & Knaap, H. Phys. Lett. 21, 5–7 (1966).

    Article  ADS  Google Scholar 

  3. Berdyugin, A. I. et al. Science 364, 162–165 (2019).

    ADS  Google Scholar 

  4. Banerjee, D. et al. Nat. Commun. 8, 1573 (2017).

    Article  ADS  Google Scholar 

  5. Abanov, A., Can, T. & Ganeshan, S. SciPost Phys. 5, 010 (2018).

    Article  ADS  Google Scholar 

  6. Avron, J. E., Seiler, R. & Zograf, P. G. Phys. Rev. Lett. 75, 697–700 (1995).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Alexander Abanov.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Abanov, A. Model oddity. Nat. Phys. 15, 1109–1110 (2019).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing