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7 papers · 1 filter
Simulation of the physical properties of the chalcogenide glass AsS using a density-functional-based tight-binding method
S. I. Simdyankin, S. R. Elliott, Z. Hajnal +2
We have used a density-functional-based tight-binding method in order to create structural models of the canonical chalcogenide glass, amorphous (a-)AsS. The models range f…
Identifying structural patterns in `disordered' metal clusters
Jonathan P. K. Doye
Zinc and cadmium clusters interacting with a Gupta potential have previously been identified as prototypical metallic systems that exhibiting disordered cluster structures. Here, p…
Solitons, solitonic vortices, and vortex rings in a confined Bose-Einstein condensate
S. Komineas, N. Papanicolaou
Quasi-one-dimensional solitons that may occur in an elongated Bose-Einstein condensate become unstable at high particle density. We study two basic modes of instability and the cor…
The order parameter-entropy relation in some universal classes: experimental evidence
J. M. Martin-Olalla, F. J. Romero, S. Ramos +3
The asymptotic behaviour near phase transitions can be suitably characterized by the scaling of with , where is the excess entropy and is the order par…
Relationship between dynamical heterogeneities and stretched exponential relaxation
S. I. Simdyankin, Normand Mousseau
We identify the dynamical heterogeneities as an essential prerequisite for stretched exponential relaxation in dynamically frustrated systems. This heterogeneity takes the form of…
Statistical properties of neutral evolution
Ugo Bastolla, Markus Porto, H. Eduardo Roman +1
Neutral evolution is the simplest model of molecular evolution and thus it is most amenable to a comprehensive theoretical investigation. In this paper, we characterize the statist…