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Preprints, Working Papers, ... Year : 2006

Strong localization and macroscopic atoms for directed polymers

Abstract

In this article, we derive strong localization results for directed polymers in random environment. We show that at "low temperature" the polymer measure is asymptotically concentrated at a few points of macroscopic mass (we call these points epsilon-atoms). These results are derived assuming weak conditions on the tail decay of the random environment.
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hal-00020421 , version 1 (09-03-2006)

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Vincent Vargas. Strong localization and macroscopic atoms for directed polymers. 2006. ⟨hal-00020421⟩
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