Numerical study of continuous and discontinuous dynamical phase transitions for boundary-driven systems.
basic_science · Level V
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- Record sourced from PubMed, PMID 28415355.
- Also identified by DOI 10.1103/PhysRevE.95.032137.
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Abstract
The existence and search for thermodynamic phase transitions is of unfading interest. In this paper, we present numerical evidence of dynamical phase transitions occurring in boundary-driven systems with a constrained integrated current. It is shown that certain models exhibit a discontinuous transition between two different density profiles and a continuous transition between a time-independent and a time-dependent profile. We also verified that the Kipnis-Marchioro-Presutti model exhibits no phase transitions in a range much larger than previously explored.