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Strong dipolar effects in a quantum ferrofluid

Author

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  • Thierry Lahaye

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Tobias Koch

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Bernd Fröhlich

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Marco Fattori

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Jonas Metz

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Axel Griesmaier

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Stefano Giovanazzi

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

  • Tilman Pfau

    (5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany)

Abstract

Quantum ferrofluids A paper in this issue addresses a hot topic in the physics of ultracold atoms — quantum ferrofluids, which are superfluid quantum gases that consist of polarized dipoles, either electric or magnetic. The symmetry-breaking interaction between such dipoles is expected to lead to new physical phenomena. Now a group from Stuttgart University has succeeded in producing a chromium Bose–Einstein condensate with strong anisotropic magnetic dipole–dipole interaction between the atoms, which induces a pronounced change of the aspect ratio of the cloud. This much-sought form of matter should enable fundamental studies of physical systems in previously unexplored regimes.

Suggested Citation

  • Thierry Lahaye & Tobias Koch & Bernd Fröhlich & Marco Fattori & Jonas Metz & Axel Griesmaier & Stefano Giovanazzi & Tilman Pfau, 2007. "Strong dipolar effects in a quantum ferrofluid," Nature, Nature, vol. 448(7154), pages 672-675, August.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7154:d:10.1038_nature06036
    DOI: 10.1038/nature06036
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