Experimental determination of KPZ height-fluctuation distributions

  • L. MiettinenEmail author
  • M. Myllys
  • J. Merikoski
  • J. Timonen
Statistical and Nonlinear Physics


Height-fluctuation distributions of nonequilibrium interfaces were analyzed using slow-combustion fronts propagating in sheets of paper. All distributions measured were definitely non-Gaussian. The experimental distributions for transient and stationary regimes were well fitted by the theoretical distributions proposed by Prähofer and Spohn in reference [9]. Consistent with the Galilean invariance of the system, the same distributions were found for horizontal fronts and, when determined along the normal to the slope, for fronts with a non-zero average slope.


Spectroscopy Neural Network State Physics Complex System Nonlinear Dynamics 
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© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Authors and Affiliations

  • L. Miettinen
    • 1
    Email author
  • M. Myllys
    • 1
  • J. Merikoski
    • 1
  • J. Timonen
    • 1
  1. 1.Department of PhysicsUniversity of JyväskyläJyväskyläFinland

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