Polymer in a multi-interface medium with weak repulsion
Abstract
Long linear polymers in a depinned interfaces environment have been studied for a long time, for instance in Caravenna2009depinning when the temperature is constant. In this paper, we study an extension of this model by making the temperature and the distance between interfaces goes to infinity. We give a full phase diagram for this model, and show that a new behaviour appears in this extension. Our key tool include new sharp results on the simple random walk evolving between interfaces.
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