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Berezinskii–Kosterlitz–Thouless crossover in a trapped atomic gas

Author

Listed:
  • Zoran Hadzibabic

    (Ecole Normale Supérieure)

  • Peter Krüger

    (Ecole Normale Supérieure)

  • Marc Cheneau

    (Ecole Normale Supérieure)

  • Baptiste Battelier

    (Ecole Normale Supérieure)

  • Jean Dalibard

    (Ecole Normale Supérieure)

Abstract

The plane truth Physics in a two-dimensional environment is very different from what we observe in the three-dimensional world. If dimensionality is reduced, thermal fluctuations destroy a system's spatial order and most phase transitions, like those responsible for ferromagnetism for instance, cannot occur. But there is a particular type of phase transition, involving the pairing of vortices, that does exist in two dimensions. First predicted 30 years ago by Berezinskii, Kosterlitz and Thouless, the ‘BKT transition’ has now been observed directly for the first time in a planar gas of ultracold rubidium atoms.

Suggested Citation

  • Zoran Hadzibabic & Peter Krüger & Marc Cheneau & Baptiste Battelier & Jean Dalibard, 2006. "Berezinskii–Kosterlitz–Thouless crossover in a trapped atomic gas," Nature, Nature, vol. 441(7097), pages 1118-1121, June.
    • Handle: RePEc:nat:nature:v:441:y:2006:i:7097:d:10.1038_nature04851
    DOI: 10.1038/nature04851
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    Cited by:

    1. Shi, Zeyun & Badshah, Fazal & Qin, Lu & Zhou, Yuan & Huang, Haibo & Zhang, Yong-Chang, 2023. "Spatially modulated control of pattern formation in a general nonlocal nonlinear system," Chaos, Solitons & Fractals, Elsevier, vol. 175(P1).

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