Phase behaviour of a hard sphere colloidal system in the presence of an external laser field

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We study the phase behaviour of a two-dimensionally confined hard sphere colloidal system in the presence of a periodic light field of two interfering laser beams using Monte Carlo simulations. For a given packing fraction of the particles, the colloidal system undergoes a transition from a modulated liquid to a modulated crystal as the light intensity is increased, corresponding to laser induced freezing. For certain packing fractions of the colloidal particles, the system again becomes a modulated liquid as the field strength crosses a threshold value, showing a re-entrant behaviour.
13 pages including 6 figures, submitted to European Physical Journal E

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/17163

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0012338
 http://arxiv.org/abs/cond-mat/0012338

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arXiv