Fractional Stokes-Einstein and Debye-Stokes-Einstein Relations in a Network-Forming Liquid Export

@article{starr06, abstract = {We study the breakdown of the Stokes-Einstein (SE) and Debye-Stokes-Einstein (DSE) relations for translational and rotational motion in a prototypical model of a network-forming liquid, the ST2 model of water. We find that the emergence of fractional SE and DSE relations at low temperature is ubiquitous in this system, with exponents that vary little over a range of distinct physical regimes. We also show that the same fractional SE relation is obeyed by both mobile and immobile dynamical heterogeneities of the liquid.}, author = {Becker, Stephen R. and Poole, Peter H. and Starr, Francis W.}, citeulike-article-id = {1425373}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000097000005055901000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v97/e055901}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.97.055901}, doi = {10.1103/PhysRevLett.97.055901}, journal = {Physical Review Letters}, keywords = {diffusion, rotation, simulation}, number = {5}, pages = {055901}, posted-at = {2007-11-27 01:59:20}, priority = {4}, publisher = {APS}, title = {Fractional Stokes-Einstein and Debye-Stokes-Einstein Relations in a Network-Forming Liquid}, url = {http://dx.doi.org/10.1103/PhysRevLett.97.055901}, volume = {97}, year = {2006} }

TY - JOUR ID - starr06 L3 - citeulike-article-id:1425373 N2 - We study the breakdown of the Stokes-Einstein (SE) and Debye-Stokes-Einstein (DSE) relations for translational and rotational motion in a prototypical model of a network-forming liquid, the ST2 model of water. We find that the emergence of fractional SE and DSE relations at low temperature is ubiquitous in this system, with exponents that vary little over a range of distinct physical regimes. We also show that the same fractional SE relation is obeyed by both mobile and immobile dynamical heterogeneities of the liquid. IS - 5 JF - Physical Review Letters EP - 055901 TI - Fractional Stokes-Einstein and Debye-Stokes-Einstein Relations in a Network-Forming Liquid PB - APS VL - 97 SP - 055901 KW - diffusion KW - rotation KW - simulation AU - Becker, Stephen AU - Poole, Peter AU - Starr, Francis PY - 2006/// UR - http://dx.doi.org/10.1103/PhysRevLett.97.055901 ER -