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Article overview
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Dynamical symmetry breaking and phase transitions in driven diffusive systems | | Yongjoo Baek
; Yariv Kafri
; Vivien Lecomte
; | | Date: |
21 Sep 2016 | | Abstract: | We study the probability distribution of a current flowing through a
diffusive system connected to a pair of reservoirs at its two ends. Sufficient
conditions for the occurrence of a host of possible phase transitions are
derived. These transitions manifest themselves as singularities in the large
deviation function, resulting in enhanced current fluctuations. Microscopic
models which realize each of the scenarios are presented. Depending on the
model, the singularity is associated either with a particle-hole symmetry
breaking, which leads to a continuous transition, or in the absence of the
symmetry with a first-order phase transition. An exact Landau theory which
captures the different singular behaviors is derived. | | Source: | arXiv, 1609.6732 | | Services: | Forum | Review | PDF | Favorites | |
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