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Quantum measurement

A condensate's main squeeze

Entanglement between particles permits the quantum uncertainty in one variable to be reduced at the cost of increasing that in another. Condensates are an ideal system in which this technique can be studied.

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Figure 1: Spin squeezing.


  1. Riedel, M. F. et al. Nature 464, 1170–1173 (2010).

    Article  ADS  CAS  Google Scholar 

  2. Gross, C., Zibold, T., Nicklas, E., Estève, J. & Oberthaler, M. K. Nature 464, 1165–1169 (2010).

    Article  ADS  CAS  Google Scholar 

  3. Fernholz, T. et al. Phys. Rev. Lett. 101, 073601 (2008).

    Article  ADS  CAS  Google Scholar 

  4. Walls, D. F. Nature 306, 141–146 (1983).

    Article  ADS  Google Scholar 

  5. Wineland, D. J., Bollinger, J. J., Itano, W. M., Moore, F. L. & Heinzen, D. J. Phys. Rev. A 46, R6797–R6800 (1992).

    Article  ADS  CAS  Google Scholar 

  6. Kitagawa, M. & Ueda, M. Phys. Rev. A 47, 5138–5143 (1993).

    Article  ADS  CAS  Google Scholar 

  7. Orzel, C., Tuchman, A. K., Fenselau, M. L., Yasuda, M. & Kasevich, M. A. Science 291, 2386–2389 (2001).

    Article  ADS  CAS  Google Scholar 

  8. Cronin, A. D., Schmiedmayer, J. & Pritchard, D. E. Rev. Mod. Phys. 81, 1051–1129 (2009).

    Article  ADS  CAS  Google Scholar 

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Sackett, C. A condensate's main squeeze. Nature 464, 1133–1134 (2010).

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