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Potential Energy Landscape of the Apparent First-Order Phase Transition between Low-Density and High-Density Amorphous Ice
Nicolas Giovambattista, Francesco Sciortino, Francis W. Starr +1
The potential energy landscape (PEL) formalism is a valuable approach within statistical mechanics for describing supercooled liquids and glasses. Here we use the PEL formalism and…
Reentrant spinodals and the Speedy scenario in colloidal model systems
Lorenzo Rovigatti, Valentino Bianco, José Maria Tavares +1
A re-entrant gas-liquid spinodal was proposed as a possible explanation of the apparent divergence of the compressibility and specific heat on supercooling water. Such a counter in…
Discontinuous change from thermally- to geometrically- dominated effective interactions in colloidal solutions
Nicoletta Gnan, Francesco Sciortino, Emanuela Zaccarelli
We report numerical results for the effective potential arising between two colloids immersed in a self-assembling cosolute which forms reversible clusters. The potential is evalua…
Connectivity, Dynamics, and Structure in a Tetrahedral Network Liquid
Sandalo Roldan-Vargas, Lorenzo Rovigatti, Francesco Sciortino
We report a detailed computational study by Brownian Dynamics simulations of the structure and dynamics of a liquid of patchy particles which develops an amorphous tetrahedral netw…
Anomalous dynamics of intruders in a crowded environment of mobile obstacles
Tatjana Sentjabrskaja, Emanuela Zaccarelli, Cristiano De Michele +5
Many natural and industrial processes rely on constrained transport, such as proteins moving through cells, particles confined in nanocomposite materials or gels, individuals in hi…