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Novel Phases and Finite-Size Scaling in Two-Species Asymmetric Diffusive Processes | Kwan-tai Leung
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6 Sep 1994 | Journal: | Phys. Rev. Lett. 73, 2386 (1994) | Subject: | Condensed Matter; Adaptation and Self-Organizing Systems | cond-mat adap-org nlin.AO | Abstract: | We study a stochastic lattice gas of particles undergoing asymmetric diffusion in two dimensions. Transitions between a low-density uniform phase and high-density non-uniform phases characterized by localized or extended structure are found. We develop a mean-field theory which relates coarse-grained parameters to microscopic ones. Detailed predictions for finite-size ($L$) scaling and density profiles agree excellently with simulations. Unusual large-$L$ behavior of the transition point parallel to that of self-organized sandpile models is found. | Source: | arXiv, cond-mat/9409013 | Services: | Forum | Review | PDF | Favorites |
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