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Proceedings Paper

Laser-induced melting in two-dimensional colloidal system
Author(s): Yoshihisa Enomoto; Masataka Sawa; Hidenori Itamoto
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Paper Abstract

The dynamics of a charged two-dimensional colloidal system in the presence of a one-dimensionally modulated laser field is studied by using Brownian dynamics simulations. The present model consists of interacting point particles in two dimensions, including effects of screened Coulomb force, laser-induced periodic force, Stokes drag force, and thermal noise. For the case of low particle density and the laser potential periodicity commensurate with the mean interparticle distance, computer simulation results find four characteristic phases with three crossover as a function of the laser field strength.

Paper Details

Date Published: 19 February 2003
PDF: 4 pages
Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); doi: 10.1117/12.486513
Show Author Affiliations
Yoshihisa Enomoto, Nagoya Institute of Technology (Japan)
Masataka Sawa, Nagoya Institute of Technology (Japan)
Hidenori Itamoto, Nagoya Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 4830:
Third International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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