Energy landscapes in random systems, driven interfaces, and wetting

We discuss the zero-temperature susceptibility of elastic manifolds with quenched randomness. It diverges with system size due to low-lying local minima. The distribution of energy gaps is deduced to be constant in the limit of vanishing gaps by comparing numerics with a probabilistic argument. The typical manifold response arises from a level-crossing phenomenon and implies that wetting in random systems begins with a discrete transition. The associated "jump field" scales as approximately L-5/3 and L-2.2 for (1+1) and (2+1) dimensional manifolds with random bond disorder.

• Publication year

  2000

• Venue

  Physical Review Letters

• Publication date

  2000-03-06

• Fields of study

  Medicine, Physics

• Identifiers
  DOI 10.1103/PhysRevLett.84.3982arXiv cond-mat/0003067PMID 11019255
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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