Influence of moving breathers on vacancies migration

J. Cuevas, C. Katerji, J. F R Archilla, J. C. Eilbeck, F. M. Russell

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


A vacancy defect is described by a Frenkel-Kontorova model with a discommensuration. This vacancy can migrate when interacts with a moving breather. We establish that the width of the interaction potential must be larger than a threshold value in order that the vacancy can move forward. This value is related to the existence of a breather centred at the particles adjacent to the vacancy. © 2003 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)364-371
Number of pages8
JournalPhysics Letters A
Issue number5
Publication statusPublished - 1 Sep 2003


  • Defects
  • Discrete breathers
  • Intrinsic localized modes
  • Mobile breathers


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