Simulation study of spatialtemporal correlation functions in supercooled liquids Export

@article{narumi08, abstract = {We perform molecular dynamics simulations on Lennard-Jones binary mixtures of the Kob-Andersen type to investigate the properties of the dynamical heterogeneity near the glass transition. To characterize it, we focus on two types of spatial correlation functions of the direction and mobility fluctuations. Then, we predict the correlation lengths from those correlation functions. Although the correlation length obtained from the direction converges away from the glass transition point, that from the mobility fluctuation increases as the system approaches the glass transition point and has a peak near the glass transition. It suggests that the correlation of the mobility fluctuation plays an important role, more than that of the direction near the glass transition.}, author = {Narumi, T. and Tokuyama, M.}, citeulike-article-id = {5313216}, citeulike-linkout-0 = {http://dx.doi.org/10.1080/14786430802603738}, doi = {10.1080/14786430802603738}, journal = {Philosophical Magazine}, keywords = {dyn-het, lennard-jones}, number = {33}, pages = {4169--4175}, posted-at = {2009-07-31 20:46:44}, priority = {3}, publisher = {Taylor \& Francis}, title = {Simulation study of spatial–temporal correlation functions in supercooled liquids}, url = {http://dx.doi.org/10.1080/14786430802603738}, volume = {88}, year = {2008} }

TY - JOUR ID - narumi08 L3 - citeulike-article-id:5313216 N2 - We perform molecular dynamics simulations on Lennard-Jones binary mixtures of the Kob-Andersen type to investigate the properties of the dynamical heterogeneity near the glass transition. To characterize it, we focus on two types of spatial correlation functions of the direction and mobility fluctuations. Then, we predict the correlation lengths from those correlation functions. Although the correlation length obtained from the direction converges away from the glass transition point, that from the mobility fluctuation increases as the system approaches the glass transition point and has a peak near the glass transition. It suggests that the correlation of the mobility fluctuation plays an important role, more than that of the direction near the glass transition. IS - 33 JF - Philosophical Magazine EP - 4175 TI - Simulation study of spatial–temporal correlation functions in supercooled liquids PB - Taylor & Francis VL - 88 SP - 4169 KW - dyn-het KW - lennard-jones AU - Narumi, T AU - Tokuyama, M PY - 2008/// UR - http://dx.doi.org/10.1080/14786430802603738 ER -