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DY: Fachverband Dynamik und Statistische Physik

DY 27: Statistical Physics II

DY 27.4: Vortrag

Dienstag, 17. März 2020, 10:45–11:00, ZEU 118

General solution to the one-dimensional connectivity problem — Fabian Coupette, •Andreas Härtel, and Tanja Schilling — Institut of Physics, University of Freiburg, Germany

We present a general method to obtain the connectivity properties of an arbitrary one-dimensional pairwise interacting n-body system in thermal equilibrium. As input, solely the pair density distribution associated to the equilibrium state is required. Accordingly, if exact analytic results exist for the pair density distribution, the pair connectivity can be determined equally exactly. This is illustrated for fully penetrable and impenetrable rods as well as a repulsive 1/r^2 nearest-neighbor interaction potential. We also discuss implications of our work for long-ranged interactions, systems in external fields and higher dimensions.