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Nematic-disordered phase transition in systems of long rigid rods on two-dimensional lattices

Nematic-disordered phase transition in systems of long rigid rods on two-dimensional lattices

We study the phase transition from a nematic phase to a high-density disordered phase in systems of long rigid rods of length $k$ on the square and triangular lattices. We use an efficient Monte Carlo scheme that partly overcomes the problem of very large relaxation times of nearly jammed configurations. …