3 years ago

Phase Coexistence in Two-Dimensional Passive and Active Dumbbell Systems.

Phase Coexistence in Two-Dimensional Passive and Active Dumbbell Systems.
Giuseppe Gonnella, Leticia F Cugliandolo, Pasquale Digregorio, Antonio Suma
We demonstrate that there is a macroscopic coexistence between regions with hexatic order and regions in the liquid or gas phase over a finite interval of packing fractions in active dumbbell systems with repulsive power-law interactions in two dimensions. In the passive limit, this interval remains finite, similar to what has been found in two-dimensional systems of hard and soft disks. We did not find discontinuous behavior upon increasing activity from the passive limit.

Publisher URL: http://doi.org/10.1103/PhysRevLett.119.268002

DOI: 10.1103/PhysRevLett.119.268002

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