Periodic thermodynamics of the parametrically driven harmonic oscillator.

@article{Diermann2019PeriodicTO,
  title={Periodic thermodynamics of the parametrically driven harmonic oscillator.},
  author={Onno R. Diermann and Helge Frerichs and Martin Holthaus},
  journal={Physical review. E},
  year={2019},
  volume={100 1-1},
  pages={
          012102
        }
}
We determine the quasistationary distribution of Floquet-state occupation probabilities for a parametrically driven harmonic oscillator coupled to a thermal bath. Since the system exhibits detailed balance, and the canonical representatives of its quasienergies are equidistant, these probabilities are given by a geometrical Boltzmann distribution, but its quasitemperature differs from the actual temperature of the bath, being affected by the functional form of the latter's spectral density. We… 

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