Atomic physics

Constant insights from recoils

Article metrics

The fine-structure constant plays a central role in our understanding of electromagnetic interaction. A new approach to determining its value complements the most precise measurements made so far.

Access optionsAccess options

Rent or Buy article

Get time limited or full article access on ReadCube.

from$8.99

All prices are NET prices.

Figure 1: A free atom with mass M and two energy levels E1 and E2, a, before and b, after the absorption of a photon.

References

  1. 1

    Mohr, P. J. & Taylor, B. N. Rev. Mod. Phys. 77, 1–107 (2005).

  2. 2

    Cladé, P. et al. Phys. Rev. Lett. 96, 033001 (2006).

  3. 3

    Kinoshita, T. & Nio, M. Phys. Rev. D 73, 013003 (2006).

  4. 4

    Van Dyck, R. S. Jr, Schwinberg, P. B. Dehmelt, H. G. Phys. Rev. Lett. 59, 26–29 (1987).

  5. 5

    de Beauvoir, B. et al. Eur. Phys. J. D 12, 61–93 (2000).

  6. 6

    Bradley, M. P., Porto, J. V., Rainville, S., Thompson, J. K. & Pritchard, D. E. Phys. Rev. Lett. 83, 4510–4513 (1999).

  7. 7

    Campbell, G. K. et al. Phys. Rev. Lett. 94, 170403 (2005).

  8. 8

    Wicht, A., Hensley, J. M., Sarajlic, E. & Chu, S. Phys. Scr. T102, 82–88 (2002).

  9. 9

    Krüger, E., Nistler, W. & Weirauch, W. Metrologia 36, 147–148 (1999).

  10. 10

    Udem, Th., Holzwarth, R. & Hänsch, T. W. Nature 416, 233–237 (2002).

  11. 11

    Bloch, F. Z. Phys. 52, 555 (1928).

  12. 12

    Ben Daham, M., Peik, E., Reichel, J., Castin, Y. & Salomon, C. Phys. Rev. Lett. 76, 4508–4511 (1996).

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Further reading