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Condensed-matter physics

Vortices and hearts

A single vortex of flux, formed inside a superconducting Josephson junction, has been detected undergoing quantum tunnelling — a feature that could be developed into a quantum bit.

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Figure 1: Quantum tunnelling and the single vortex.

References

  1. Wallraff, A. et al. Nature 425, 155–158 (2003).

    ADS  CAS  Article  Google Scholar 

  2. Caldeira, A. O. & Leggett, A. J. Ann. Phys. 149, 374–456 (1983).

    ADS  Article  Google Scholar 

  3. Martinis, J. M., Devoret, M. H. & Clarke, J. Phys. Rev. Lett. 55, 1543–1546 (1985).

    ADS  CAS  Article  Google Scholar 

  4. Rouse, R., Han, S. & Lukens, J. E. Phys. Rev. Lett. 75, 1614–1617 (1995).

    ADS  CAS  Article  Google Scholar 

  5. Martinis, J. M., Nam, S., Aumentado, J. & Urbina, C. Phys. Rev. Lett. 89, 117901 (2002).

    ADS  Article  Google Scholar 

  6. Friedman, J. R., Patel, V., Chen, W., Tolpygo, S. K. & Lukens, J. E. Nature 406, 43–46 (2000).

    ADS  CAS  Article  Google Scholar 

  7. Chiorescu, I., Nakamura, Y., Harmans, C. J. P. M. & Mooij, J. E. Science 299, 1869–1871 (2003).

    ADS  CAS  Article  Google Scholar 

  8. Nakamura, Y., Pashkin, Yu. A. & Tsai, J. S. Nature 398, 786–789 (1999).

    ADS  CAS  Article  Google Scholar 

  9. Vion, D. et al. Science 296, 886–889 (2002).

    ADS  CAS  Article  Google Scholar 

  10. Pashkin, Yu. A. et al. Nature 421, 823–826 (2003).

    ADS  CAS  Article  Google Scholar 

  11. Berkley, A. J. et al. Science 300, 1548–1550 (2003).

    ADS  CAS  Article  Google Scholar 

  12. Wallraff, A., Koval, Yu., Levitchev, M., Fistul, M. V. & Ustinov, A. V. J. Low Temp. Phys. 118, 543–553 (2000).

    ADS  CAS  Article  Google Scholar 

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Clarke, J. Vortices and hearts. Nature 425, 133–136 (2003). https://doi.org/10.1038/425133a

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  • DOI: https://doi.org/10.1038/425133a

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