Reentrant melting in laser field modulated colloidal suspensions

Chakrabarti, J. ; Krishnamurthy, H. R. ; Sood, A. K. ; Sengupta, S. (1995) Reentrant melting in laser field modulated colloidal suspensions Physical Review Letters, 75 (11). pp. 2232-2235. ISSN 0031-9007

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We present results from a Monte Carlo simulation study of the phase diagram and the order of the modulated liquid to crystal transition in laser field modulated colloids. We find that for low values of βVe, the strength of the modulation potential, the transition is first order, but changes to a continuous transition for high values of βVe, in agreement with the conclusions from the density functional theory of laser induced freezing. However, we find in the simulation a novel reentrant laser induced melting transition from the crystal to the modulated liquid phase with increasing βVe, unlike the (mean field) density functional phase diagram.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:17509
Deposited On:16 Nov 2010 09:40
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