Kardar-Parisi-Zhang interfaces bounded by long-ranged potentials

Details Kardar-Parisi-Zhang interfaces bounded by long-ranged potentials Kardar-Parisi-Zhang interfaces bounded by long-ranged potentials

2006-06-06

arxiv.org/abs/cond-mat/0606156v1

Physics

Condensed Matter

Statistical Mechanics

13 pages, 11 figures, 1 table

Scientific paper

We study unbinding transitions of a non-equilibrium Kardar-Parisi-Zhang (KPZ) interface in the presence of long-ranged substrates. Both attractive and repulsive substrates, as well as positive and negative Kardar-Parisi-Zhang nonlinearities, are considered, leading to four different physical situations. A detailed comparison with equilibrium wetting transitions as well as with non-equilibrium unbinding transitions in systems with short-ranged forces is presented, yielding a comprehensive picture of unbinding transitions, and of their classification into universality classes. These non-equilibrium transitions may play a crucial role in the dynamics of wetting or growth of systems with intrinsic anisotropies.

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