Model system used to illustrate phase transition of a mixture of active and passive particles

Systems containing self-propelling particles, such as bacteria or artificial colloidal particles, are always out of equilibrium but may show interesting transitions between different states, reminiscent of phase transitions in equilibrium. However, application of analytical and computational methodologies from equilibrium statistical mechanics is questionable to study properties of such active systems.

from Phys.org: Physics News http://ift.tt/1oRSbsV

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