Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 136, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4704812
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Funding
- Nederlandse organisatie voor Wetenschappelijk Onderzoek (NWO)
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Physical systems with many degrees of freedom can often be understood in terms of transitions between a small number of metastable states. For time-homogeneous systems with short-term memory these transitions are fully characterized by a set of rate constants. We consider the question how to extend such a coarse-grained description to non-stationary systems and to systems with finite memory. We identify the physical regimes in which time-dependent rates are meaningful, and state microscopic expressions that can be used to measure both externally time-dependent and history-dependent rates in microscopic simulations. Our description can be used to generalize Markov state models to time-dependent Markovian or non-Markovian systems. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4704812]
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