Skip to main content

Thank you for visiting nature.com. 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:

Fractional quantum hall effect

Even denominators in odd places

Odd-denominator fractional quantum Hall states are routinely observed in high-mobility gallium arsenide heterostructures. Now, a 5/2 state has been observed in an oxide heterostructure — an unexpected state in an unexpected material.

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

Access options

Rent or buy this article

Prices vary by article type

from$1.95

to$39.95

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

Figure 1: Fractional quantum Hall effect in a MgZnO/ZnO heterostructure as reported by Falson and colleagues2.

References

  1. Tsui, D. C., Stormer, H. L. & Gossard, A. C. Phys. Rev. Lett. 48, 1559–1562 (1982).

    Article  ADS  Google Scholar 

  2. Falson, J. et al. Nature Phys. 11, 347–351 (2015).

    Article  ADS  Google Scholar 

  3. Laughlin, R. B. Phys. Rev. Lett. 50, 1395–1398 (1983).

    Article  ADS  Google Scholar 

  4. Haldane, F. D. M. Phys. Rev. Lett. 51, 605–608 (1983).

    Article  ADS  MathSciNet  Google Scholar 

  5. Halperin, B. I. Phys. Rev. Lett. 52, 1583–1586 (1984).

    Article  ADS  Google Scholar 

  6. Jain, J. K. Phys. Rev. Lett. 63, 199–202 (1989).

    Article  ADS  Google Scholar 

  7. Willett, R. et al. Phys. Rev. Lett. 59, 1776–1779 (1987).

    Article  ADS  Google Scholar 

  8. Moore, G. & Read, N. Nucl. Phys. B 360, 362–396 (1991).

    Article  ADS  Google Scholar 

  9. Tiemann, L., Galez., G., Kumada, N. & Muraki, K. Science 335, 828–831 (2012).

    Article  ADS  Google Scholar 

  10. Stern, M. et al. Phys. Rev. Lett. 108, 066810 (2012).

    Article  ADS  Google Scholar 

  11. Dolev, M., Heiblum, M., Umansky, V., Stern, A. & Mahalu, D. Nature 452, 829–834 (2008).

    Article  ADS  Google Scholar 

  12. Radu, I. P. et al. Science 320, 899–902 (2008).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Cory R. Dean.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Dean, C. Even denominators in odd places. Nature Phys 11, 298–299 (2015). https://doi.org/10.1038/nphys3298

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/nphys3298

Search

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