Communications: Can one identify nonequilibrium in a three-state system by analyzing two-state trajectories?

For a three-state Markov system in a stationary state, we discuss whether, on the basis of data obtained from effective two-state (or on-off ) trajectories, it is possible to discriminate between an equilibrium state and a nonequilibrium steady state. By calculating the full phase diagram we identif...

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Bibliographic Details
Published in:The Journal of chemical physics 2010-01, Vol.132 (4), p.041102-041102-4
Main Authors: Amann, Christian P., Schmiedl, Tim, Seifert, Udo
Format: Article
Language:English
Subjects:
Models, Biological
Phase Transition
Proteins - chemistry
Thermodynamics
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Summary:For a three-state Markov system in a stationary state, we discuss whether, on the basis of data obtained from effective two-state (or on-off ) trajectories, it is possible to discriminate between an equilibrium state and a nonequilibrium steady state. By calculating the full phase diagram we identify a large region where such data will be consistent only with nonequilibrium conditions. This regime is considerably larger than the region with oscillatory relaxation, which has previously been identified as a sufficient criterion for nonequilibrium.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.3294567