Geodesic
Metabasins -- a state space aggregation for highly disordered energy landscapes
Teoriâ slučajnyh processov, Tome 18 (2012) no. 1, pp. 3-44

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Glass-forming systems, characterized by a highly disordered energy landscape, have been studied in physics by a simulation-based state space aggregation. Choosing a path-independent approach within the framework of finite Markov chains, this article provides an aggregation procedure which, at an appropriate aggregation level, leads to the definition of certain metastates, called metabasins in Physics (for their properties see the Introduction). Roughly speaking, this will be the finest aggregation such that transitions back to an already visited (meta-)state are very unlikely within a moderate time frame.
Keywords: Metastability, metabasins, Markov chain aggregation, disordered systems, exit time, Metropolis algorithm. 
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     author = {G. Alsmeyer and A. Winkler},
     title = {Metabasins -- a state space aggregation for highly disordered energy landscapes},
     journal = {Teori\^a slu\v{c}ajnyh processov},
     pages = {3--44},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/THSP_2012_18_1_a0/}
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G. Alsmeyer; A. Winkler. Metabasins -- a state space aggregation for highly disordered energy landscapes. Teoriâ slučajnyh processov, Tome 18 (2012) no. 1, pp. 3-44. http://geodesic.mathdoc.fr/item/THSP_2012_18_1_a0/