Abstract
We consider models of interface dynamics derived from Ising systems with Kac interactions and we prove the validity of the “Einstein relation”θ=μσ, whereθ is the proportionality coefficient in the motion by curvature,μ is the interface mobility, andσ is the surface tension.
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Buttà, P. On the validity of an einstein relation in models of interface dynamics. J Stat Phys 72, 1401–1406 (1993). https://doi.org/10.1007/BF01048193
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DOI: https://doi.org/10.1007/BF01048193