19-22 October 2011
Hotel Roanoke, Roanoke VA
US/Eastern timezone
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Non-equilibrium phases of the two-dimensional Ising model in contact with two heat baths

22 Oct 2011, 11:09
12m
Crystal Ballroom B (Hotel Roanoke, Roanoke VA)

Crystal Ballroom B

Hotel Roanoke, Roanoke VA

Speaker

Ms Linjun Li (Virginia Tech)

Description

The equilibrium phase diagram of the two-dimensional Ising model in contact with a single heat bath is well understood. We here study the properties of the two-dimensional Ising model with conserved dynamics where the two halves of the system are in contact with different heat baths. Using Monte Carlo simulations, we identify three different phases for this non-equilibrium system, as a function of the aspect ratio of the lattice and of the temperatures. The first phase is characterized by the complete disorder of the particles, while the second phase is characterized by the complete order of the particles. The third phase is the most interesting one as it displays stripes with widths that depend on the system parameters. The full phase diagram of our non-equilibrium system is determined through the study of the structure factor.

Co-author

Michel Pleimling (Virginia Tech)

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