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Bulk diffusivity of lattice gases close to criticality

Journal of Statistical Physics, ISSN: 0022-4715, Vol: 79, Issue: 1-2, Page: 231-241
1995
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  • Citations
    12
    • Citation Indexes
      12

Article Description

We 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. © 1995 Plenum Publishing Corporation.

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