Quasi-two-dimensional dipolar fluid at low densities: Monte Carlo simulations and theory

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Abstract
We studied a quasi-two-dimensional dipolar fluid in the chaining regime using Monte Carlo canonical simulations and theoretical analyses. The self-assembled clusters were characterized by measuring their internal energy, conformational properties, and equilibrium length distributions. We generalized and used equilibrium polymer theory to describe the structure of the chains and rings observed in the simulations. The scaling forms of the length distribution functions predicted by theory were found to describe adequately the simulation results. Finally, we discuss how this type of analysis may be used to establish the existence and mechanisms of phase transitions in dilute dipolar fluids.