2017/06/06 by Atreyee Banerjee, Banerjee, Atreyee, Manoj Kumar Nandi +3 · 1 citation
Computer Science · Economics, Econometrics and Finance · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Complex Systems and Time Series Analysis #FOS: Physical sciences #Nonlinear Dynamics and Pattern Formation #Soft Condensed Matter (cond-mat.soft)
paper · pdf · doi:10.48550/arxiv.1706.01715
openalex publication_date 2017/06/06 · openalex created_date 2022/10/02 · openalex updated_date 2026/07/28
In this paper we explore the validity of the Rosenfeld and the Dzugutov\nrelation for the Lennard-Jones (LJ) system, its repulsive counterpart, the WCA\nsystem and a network forming liquid, the NTW model. We find that for all the\nsystems both the relations are valid at high temperature regime with an\nuniversal exponent close to 0.8. Similar to that observed for the simple\nliquids, the LJ and the WCA systems show a breakdown of the scaling laws at the\nlow temperature regime. However for the NTW model, which is a simple liquid,\nthese scaling laws are valid even at lower temperature regime similar to that\nfound for ionic melts. Thus we find that the NTW model has mixed\ncharacteristics of simple liquids and ionic melts. Our study further reveals a\nquantitative relationship between the Rosenfeld and the Arrhenius relations.\nFor strong liquids, the validity of the Rosenfeld relation in the low\ntemperature regime is connected to it following the Arrhenius behaviour in that\nregime. Finally we explore the role of pair entropy and residual multiparticle\nentropy in the dynamics as a function of fragility of the systems.\n