We compare simulations performed using the Nose-Hoover and the Langevin thermostats with the Hamiltonian dynamics of a long-range interacting system in contact with a reservoir. We find that while the statistical mechanics equilibrium properties of the system are recovered by all the different methods, the Nose-Hoover and the Langevin nonequilibrium results differ from the Hamiltonian ones.
Nose-Hoover and Langevin thermostats do not reproduce the nonequilibrium behavior of long-range Hamiltonians
BALDOVIN, FULVIO;ORLANDINI, ENZO
2007
Abstract
We compare simulations performed using the Nose-Hoover and the Langevin thermostats with the Hamiltonian dynamics of a long-range interacting system in contact with a reservoir. We find that while the statistical mechanics equilibrium properties of the system are recovered by all the different methods, the Nose-Hoover and the Langevin nonequilibrium results differ from the Hamiltonian ones.
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