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Joint Dept. of Mathematics and CMSA Random Matrix & Probability Theory Seminar: Thermodynamics of a hierarchical mixture of cubes

CMSA EVENTS, SEMINARS: PROBABILITY, SEMINARS: RANDOM MATRIX

When: December 2, 2020
2:00 pm - 3:00 pm
Where: Virtually
Speaker: Sabine Jansen - LMU Munich

The talk discusses a toy model for phase transitions in mixtures of incompressible droplets. The model consists of non-overlapping hypercubes of side-lengths 2^j, j\in \N_0. Cubes belong to an admissible set such that if two cubes overlap, then one cube is contained in the other, a picture reminiscent of Mandelbrot’s fractal percolation model. I will present exact formulas for the entropy and pressure, discuss phase transitions from a fluid phase with small cubes towards a condensed phase with a macroscopic cube, and briefly sketch some broader questions on renormalization and cluster expansions that motivate the model. Based on arXiv:1909.09546 (J. Stat. Phys. 179 (2020), 309-340).

Zoom: https://harvard.zoom.us/j/98520388668