Strong disorder for a certain class of directed polymers in a random environment

  • HU Y., O. MEJANE MARS 2004, Ph. Carmona
  • Published 2004

Abstract

We study a model of directed polymers in a random environment with a positive recurrent Markov chain, taking values in a countable space Σ. The random environment is a family (g(i,x), i ≥ 1,x ∈ Σ) of independent and identically distributed real-valued variables. The asymptotic behaviour of the normalized partition function is characterized: when the common… (More)

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