Uphill diffusions via phase transitions.

Abstract: Uphill diffusions is an umbrella name for a variety of phenomena when stationary particle current goes from low density to high density, in an ostensible violation of Fick's first law. In this talk I shall present an ongoing joint project with Anna De Masi, Titti Merola and Errico Presutti, where uphill diffusions are uncovered and described in the context of two dimensional stochastic phase-field models - a dynamically coupled Ginsburg Landau model and Ising model in the phase transition regime.

mathematical physicsprobability

Audience: researchers in the topic

Probability and the City Seminar

Series comments: The Probability and the City Seminar is organized jointly by the probability groups of Columbia University and New York University.

Video recordings of talks are posted online at www.youtube.com/channel/UC0CXjG-ZSIZHy0S40Px2FEQ .