Papers › Brownian dynamics simulations of hard rods in external fields and with contact interactions

Brownian dynamics simulations of hard rods in external fields and with contact interactions

24 Aug 2022arXiv:2208.11657links table onlyarchive 2025-07-28

Alexander P. Antonov, Sören Schweers, Artem Ryabov, Philipp Maass

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We propose a simulation method for Brownian dynamics of hard rods in one dimension for arbitrary continuous external force fields. It is an event-driven procedure based on the fragmentation and mergers of clusters formed by particles in contact. It allows one to treat particle interactions in addition to the hard-sphere exclusion as long as the corresponding interaction forces are continuous functions of the particle coordinates. We furthermore develop a treatment of sticky hard spheres as described by Baxter's contact interaction potential.

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