activity
20182026
most citedFluctuations of the log-gamma polymer free energy with general parameters and slopes

18 citations · 26 across the 10 of their papers we have counts for

collaborators

14 papers

cond-mat.stat-mech2026

Random walks in Dirichlet random environment in dimension

Guillaume Barraquand, Alexander K. Hartmann, Pierre Le Doussal

The atypical behaviour of random walks in time-dependent random environment was recently related to Kardar-Parisi-Zhang (KPZ) growth. While this is now well-understood in spatial d…

math.PR2025

Stationary inverse-Wishart polymers

Guillaume Barraquand, Zikun Ouyang

A solvable model of directed polymer with matrix-valued disorder is introduced in arXiv:2203.14868. The disorder is made of inverse-Wishart random matrices, so that the…

math.PR2025

Convergence of the KMP model to the KPZ equation

Guillaume Barraquand, Francesco Casini

We prove that the Kipnis-Marchioro-Presutti (KMP) process converges to the Kardar-Parisi-Zhang (KPZ) equation, as time goes to infinity, in a properly scaled observation window…

math.PR2025★ 1 cited

Introduction to quantum exclusion processes

Guillaume Barraquand, Denis Bernard

The QSSEP, short for quantum symmetric simple exclusion process, is a paradigm model for stochastic quantum dynamics. Averaging over the noise, the quantum dynamics reduce to the w…

math-ph2025

Large time cumulants of the KPZ equation on an interval

Guillaume Barraquand, Pierre Le Doussal

We consider the Kardar-Parisi-Zhang equation on the interval with Neumann type boundary conditions and boundary parameters . We show that the -th order cumulant of…

math.PR2024

Integral formulas for two-layer Schur and Whittaker processes

Guillaume Barraquand

Stationary measures of last passage percolation with geometric weights and the log-gamma polymer in a strip of the lattice are characterized in arXiv:2306.05983 using…