Hard Disks in Narrow Channels

Details Hard Disks in Narrow Channels Hard Disks in Narrow Channels

2004-01-28

arxiv.org/abs/cond-mat/0401570v1

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1103/PhysRevE.69.066124

The thermodynamic and dynamical behavior of a gas of hard disks in a narrow channel is studied theoretically and numerically. Using a virial expansion we find that the pressure and collision frequency curves exhibit a singularity at a channel width corresponding to twice the disk diameter. As expected, the maximum Lyapunov exponent is also found to display a similar behavior. At high density these curves are dominated by solid-like configurations which are different from the bulk ones, due to the channel boundary conditions.

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