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math-ph2026
Boundary Thermalization in Superdiffusive Energy Transport
Tomasz Komorowski, Stefano Olla
We study energy transport in a finite one-dimensional unpinned harmonic chain with stochastic nearest-neighbor momentum exchanges and Langevin heat baths at its endpoints. Such sys…
math-ph2025
Thermal boundary conditions in fractional superdiffusion of energy
Tomasz Komorowski, Stefano Olla
We study heat conduction in a one-dimensional {finite}, unpinned chain of atoms perturbed by stochastic momentum exchange and coupled to Langevin heat baths at {possibly} distinct…
math-ph2025
Convergent Power Series for Anharmonic Chain with Periodic Forcing
Pedro L. Garrido, Tomasz Komorowski, Joel L. Lebowitz +1
We study the propagation of energy in one-dimensional anharmonic chains subject to a periodic, localized forcing. For the purely harmonic case, forcing frequencies outside the line…