Dynamical phase diagram of the dc-driven underdamped Frenkel-Kontorova chain

Maxim Paliy, Oleg Braun, Thierry Dauxois, Bambi Hu

Research output: Contribution to journalJournal articlepeer-review

40 Citations (Scopus)


The multistep dynamical phase transition from the locked to the running state of atoms in response to a dc external force is studied by molecular-dynamics simulations of the generalized Frenkel-Kontorova model in the underdamped limit. We show that the hierarchy of transition recently reported [Braun et al., Phys. Rev. Lett. 78, 1295 (1997)] strongly depends on the value of the friction constant. A simple phenomenological explanation for the friction dependence of the various critical forces separating intermediate regimes is given.

Original languageEnglish
Pages (from-to)4025-4030
Number of pages6
JournalPhysical Review E
Issue number4
Publication statusPublished - 1 Oct 1997

Scopus Subject Areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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