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Directional Entropic Forces from Lattice Dimers

Andrei A. Klishin, Department of Physics and Center for Studies of Complex Systems, University of Michigan; School of Engineering and Applied Sciences, Harvard University
Tuesday, April 2, 2019
11:30 AM-1:00 PM
747 Weiser Hall Map
Recent investigations show that minimal interactions of particles can give rise to complex emergent structures. In particular, complex crystalline structures can be assembled from anisotropic colloids exclusively via entropic excluded-volume interaction. These emergent interactions can be quantified and explained via directional entropic forces (DEFs). Here we study the emergent arrangement in a much simpler system of finite density lattice dimers. We propose a new computational paradigm based on tensor network contraction that does not rely on Monte Carlo sampling. Computing DEFs for the dimers with this method poses new types of questions in study of lattice models in statistical physics. We indicate the ways in which tensor networks can serve as a new graphic language to discuss rigorous computations in statistical physics.
Building: Weiser Hall
Event Type: Workshop / Seminar
Tags: Biosciences, Complex Systems, Computer Science, Natural Sciences, physics, Research, Science
Source: Happening @ Michigan from The Center for the Study of Complex Systems, The College of Literature, Science, and the Arts, Department of Physics