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Volume 78, Number 5, June 2007
Article Number 56001
Number of page(s) 4
Section Condensed Matter: Structural, Mechanical and Thermal Properties
Published online 18 May 2007
EPL, 78 (2007) 56001
DOI: 10.1209/0295-5075/78/56001

Non-equilibrium critical dynamics with domain interface

N. J. Zhou and B. Zheng

Zhejiang University, Zhejiang Institute of Modern Physics - Hangzhou 310027, PRC

received 4 March 2007; accepted in final form 16 April 2007; published June 2007
published online 18 May 2007

With Monte Carlo simulations, we investigate the non-equilibrium critical dynamics with a domain interface, taking the two-dimensional Ising model as an example. Starting from a semi-ordered state, the domain interface grows as time evolves. Dynamic scaling behavior is carefully analyzed. The magnetization and Binder cumulant inside the domain interface are governed by critical exponents different from those outside the domain interface. The ageing phenomenon is identified. For comparison, additional simulations starting from an ordered state have been performed with a free surface and a disordered surface.

64.60.Ht - Dynamic critical phenomena.
68.35.Rh - Phase transitions and critical phenomena.
05.10.Ln - Monte Carlo methods.

© Europhysics Letters Association 2007