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.


Pebbles in the nodal pond

Rippling patterns of electron waves in a copper oxide match the expectation for a certain kind of excitation — another step towards understanding why copper oxides superconduct at far higher temperatures than other materials.

This is a preview of subscription content

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: Electron waves.


  1. McElroy, K. et al. Nature 422, 592–596 (2003).

    ADS  CAS  Article  Google Scholar 


  3. Orenstein, J. & Millis, A. J. Science 288, 468–474 (2000).

    ADS  CAS  Article  Google Scholar 

  4. Hoffman, J. E. et al. Science 297, 1148–1151 (2002).

    ADS  CAS  Article  Google Scholar 

  5. Howald, C., Eisaki, H., Kaneko, N. & Kapitulnik, A. Proc. Natl Acad. Sci. (in the press); preprint cond-mat/0201546 at <> (2002).

  6. Howald, C., Fournier, P. & Kapitulnik, A. Phys. Rev. B 67, 014533 (2002).

    ADS  Article  Google Scholar 

  7. Feng, D. L. et al. Science 289, 277–281 (2000).

    ADS  CAS  Article  Google Scholar 

  8. Lang, K. M. et al. Nature 415, 412–416 (2002).

    ADS  CAS  Article  Google Scholar 

  9. Zaanen, J. Nature 415, 379–381 (2002).

    ADS  CAS  Article  Google Scholar 

  10. Hofmann, J. E. et al. Science 295, 466–469 (2002).

    ADS  Article  Google Scholar 

  11. Sachdev, S. & Zhang, S. C. Science 295, 452–454 (2002).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Jan Zaanen.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Zaanen, J. Pebbles in the nodal pond. Nature 422, 569–570 (2003).

Download citation

  • Issue Date:

  • DOI:


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