Laser-induced melting in two-dimensional colloidal system

Yoshihisa Enomoto; Masataka Sawa; Hidenori Itamoto

doi:10.1117/12.486513

19 February 2003 Laser-induced melting in two-dimensional colloidal system

Yoshihisa Enomoto, Masataka Sawa, Hidenori Itamoto

Proceedings Volume 4830, Third International Symposium on Laser Precision Microfabrication; (2003) https://doi.org/10.1117/12.486513
Event: LAMP 2002: International Congress on Laser Advanced Materials Processing, 2002, Osaka, Japan

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.

Citation Download Citation

Yoshihisa Enomoto, Masataka Sawa, and Hidenori Itamoto "Laser-induced melting in two-dimensional colloidal system", Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); https://doi.org/10.1117/12.486513

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