Experimental Study of Laser-Induced Melting in Two-Dimensional Colloids

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1998
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Wei, Qi-Huo
Rudhardt, Daniel
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Physical Review Letters ; 81 (1998), 12. - pp. 2606-2609
Abstract
We study the phase behavior of a charged two-dimensional colloidal system in the presence of a periodic light field composed of two interfering laser beams. Above a certain light intensity, the light field initiates a liquid-solid transition. This effect is known as light-induced freezing. When the light field is increased above a critical value, however, the induced crystal is predicted to melt into a modulated liquid again. In this paper we report the first direct experimental observation of this reentrance phenomenon.
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ISO 690WEI, Qi-Huo, Clemens BECHINGER, Daniel RUDHARDT, Paul LEIDERER, 1998. Experimental Study of Laser-Induced Melting in Two-Dimensional Colloids. In: Physical Review Letters. 81(12), pp. 2606-2609. Available under: doi: 10.1103/PhysRevLett.81.2606
BibTex
@article{Wei1998Exper-4798,
  year={1998},
  doi={10.1103/PhysRevLett.81.2606},
  title={Experimental Study of Laser-Induced Melting in Two-Dimensional Colloids},
  number={12},
  volume={81},
  journal={Physical Review Letters},
  pages={2606--2609},
  author={Wei, Qi-Huo and Bechinger, Clemens and Rudhardt, Daniel and Leiderer, Paul}
}
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