ECMC 2021 Kierfeld
From Werner KRAUTH
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Event-Chain simulations of liquid-crystalline hard rod systems
David Mueller, Clemens Vorsmann, Tobias Kampmann, Jan Kierfeld
Abstract We discuss event-chain (EC) simulations of various hard rod and hard needle
systems as well as mixed systems of hard disks suspended in hard needles.
The EC technique is applied to the end points of the
hard needles or rods. Hard rod collisions then give rise to 3-particle
interactions among the end points, and the lifting framework has
to be generalized accordingly. ECMC simulations of
hard needles in two dimensions and hard spherocylinders in three dimensions
reproduce the correct phase behavior. ECMC is particularly suited for
simulations of the effective interactions between hard colloids suspended
in nematic hard rods, such as two-dimensionsal hard disks
suspended in hard needles. Here, we find interesting effective
interactions, which give rise to chaining of the hard disks
along the nematic director and which are arising from a strong
depletion attraction.
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