Microcanonical analysis of a nonequilibrium phase transition
arXiv:1506.07654 · doi:10.1103/PhysRevE.93.052148
Abstract
Microcanonical analysis is a powerful method for studying phase transitions of finite-size systems. This method has been used so far only for studying phase transitions of equilibrium systems, which can be described by microcanonical entropy. I show that it is possible to perform microcanonical analysis of a nonequilibrium phase transition, by generalizing the concept of microcanonical entropy. One-dimensional asymmetric diffusion process is studied as an example where such a generalized entropy can be explicitly found, and the microcanonical method is used to analyze a nonequilibrium phase transition of a finite-size system.
5 pages, 4 figures. More detailed discussion on phase diagram for finite size. A major revision
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