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cond-mat.stat-mech2025
The Popkov-Schütz two-lane lattice gas: Universality for general jump rates
Herbert Spohn
We consider the asymmetric version of the Popkov-Schütz two-lane lattice gas with general jump rates, subject to the stationary measure being of product form. This still leaves fi…
cond-mat.stat-mech2024
Particle Scattering and Fusion for the Ablowitz-Ladik Chain
Alberto Brollo, Herbert Spohn
The Ablowitz-Ladik chain is an integrable discretized version of the nonlinear Schrödinger equation. We report on a novel underlying Hamiltonian particle system with properties si…