19-22 October 2011
Hotel Roanoke, Roanoke VA
US/Eastern timezone
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Aging behavior in disordered systems

21 Oct 2011, 11:45
12m
Crystal Ballroom B (Hotel Roanoke, Roanoke VA)

Crystal Ballroom B

Hotel Roanoke, Roanoke VA

Speaker

Hyunhang Park (Virginia Tech)

Description

Using Monte Carlo simulations we investigate aging behavior during phase ordering in two-dimensional Ising models with disorder and in three-dimensional Ising spin glasses. The time-dependent dynamical correlation length L(t) is determined numerically and the scaling behavior of various two-time quantities as a function of L(t)/L(s) is discussed. For disordered Ising models deviations of L(t) from the algebraic growth law show up. The generalized scaling forms as a function of L(t)/L(s) reveal a simple aging scenario for Ising spin glasses as well as for disordered Ising ferromagnets.

Co-author

Michel Pleimling (Virginia Tech)

Presentation Materials

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