Bulk diffusivity of lattice gases close to criticality
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CitationSpohn, Herbert, and Horng-Tzer Yau. 1995. “Bulk Diffusivity of Lattice Gases Close to Criticality.” Journal of Statistical Physics 79 (1-2) (April): 231–241. doi:10.1007/bf02179388.
AbstractWe consider lattice gases where particles jump at random times constrained by hard-core exclusion (simple exclusion process with speed change). The conventional theory of critical slowing down predicts that close to a critical point the bulk diffusivity vanishes as the inverse compressibility. We confirm this claim by proving a strictly positive lower bound for the conductivity.
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