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168 papers
At low temperatures, glass-forming liquids relax in a simple way
Francesco Rusciano, Raffaele Pastore, Francesco Greco +1
Glass-forming liquids have only a modest tendency to crystallize and hence their dynamics can be studied even below the melting temperature. The relaxation dynamics of most of thes…
Surface properties of alkali silicate glasses: Influence of the modifiers
Zhen Zhang, Simona Ispas, Walter Kob
Using large-scale molecular dynamics simulations, we investigate the surface properties of lithium, sodium, and potassium silicate glasses containing 25 mole % of alkali oxide. The…
Intermediate-range order governs dynamics in dense colloidal liquids
Navneet Singh, Zhen Zhang, A. K. Sood +2
The conventional wisdom is that liquids are completely disordered and lack non-trivial structure beyond nearest-neighbor distances. Recent observations have upended this view and d…
From creep to flow: Granular materials under cyclic shear
Ye Yuan, Zhikun Zeng, Yi Xing +4
Granular materials such as sand, powders, and grains are omnipresent in daily life, industrial applications, and earth-science [1]. When unperturbed, they form stable structures th…
Structure and elasticity of model disordered, polydisperse and defect-free polymer networks
Valerio Sorichetti, Andrea Ninarello, José Ruiz-Franco +5
The elasticity of disordered and polydisperse polymer networks is a fundamental problem of soft matter physics that is still open. Here, we self-assemble polymer networks via simul…
Equivalence of fluctuation-dissipation and Edwards' temperature in cyclically sheared granular systems
Zhikun Zeng, Shuyang Zhang, Xu Zheng +4
Using particle trajectory data obtained from x-ray tomography, we determine two kinds of effective temperatures in a cyclically sheared granular system. The first one is obtained f…