Pre-thermalization in a classical phonon field: slow relaxation of the number of phonons

25 Feb 2020 Huveneers François Lukkarinen Jani

We investigate the emergence of an astonishingly long pre-thermal plateau in a classical phonon field, here a harmonic chain with on-site pinning. Integrability is broken by a weak anharmonic on-site potential with strength $\lambda$... (read more)

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  • STATISTICAL MECHANICS
  • MATHEMATICAL PHYSICS
  • MATHEMATICAL PHYSICS