Equation of State of Supercooled Water from the Sedimentation Profile
M. Yamada, H.E. Stanley, F. Sciortino
TL;DR
This paper introduces an equilibrium sedimentation method to analyze the coexistence of two liquid states in supercooled water using simulations with the ST2 potential, revealing phase coexistence at low temperatures.
Contribution
The study develops a sedimentation-based approach to determine the equation of state and phase coexistence in supercooled water models.
Findings
Detection of two liquid phases at low temperature
Validation of sedimentation method for phase analysis
Insights into water's phase behavior under gravity
Abstract
To study the coexistence of two liquid states of water within one simulation box, we implement an equilibrium sedimentation method--which involves applying a gravitational field to the system and measuring/calculating the resulting density profile in equilibrium. We simulate a system of particles interacting via the ST2 potential, a model for water. We detect the coexistence of two liquid phases at low temperature.
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