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Showing 1–4 of 4 results
Advanced filters: Author: Mark G. Raizen Clear advanced filters

  • That Brownian particles in a liquid move diffusively at long times but ballistically at very short times has been understood for more than a century. However, the full details of the transition between these regimes are yet to be explored. Now, the transition from ballistic to diffusive Brownian motion has been measured for the first time.

    • Rongxin Huang
    • Isaac Chavez
    • Ernst-Ludwig Florin
    Research
    Nature Physics
    Volume: 7, P: 576-580

  • Isotope production is usually associated with nuclear reactors, but there are alternative approaches. One such proposal is based on the well-known atomic physics experimental techniques of optical pumping and magnetic guiding, and its viability for isotope separation is now experimentally demonstrated.

    • Thomas R. Mazur
    • Bruce Klappauf
    • Mark G. Raizen
    Research
    Nature Physics
    Volume: 10, P: 601-605

  • Microscale resonators cooled so that their vibrational motion approaches the quantum limit enable the study of quantum effects in macroscopic systems. An approach that could probe the interface between quantum mechanics and general relativity is now demonstrated by using lasers to suspend a glass microsphere in a vacuum.

    • Tongcang Li
    • Simon Kheifets
    • Mark G. Raizen
    Research
    Nature Physics
    Volume: 7, P: 527-530