A lower bound on the displacement of particles in 2D Gibbsian particle systems
T. Richthammer, M. Fiedler, Stochastic Processes and Their Applications 132 (2021) 1–32.

Lower Bound on the Mean Square Displacement of Particles in the Hard Disk Model
T. Richthammer, Communications in Mathematical Physics  345 (2016) 1077–1099.

Gibbs measures on permutations over one-dimensional discrete point sets
T. Richthammer, M. Biskup, Communications in Mathematical Physics 25 (2015) 898–929.