Fig. 6: Comparison between different methods for solving the steady state.
From: Steady-state Peierls transition in nanotube quantum simulator
Here we choose a large fundamental frequency ω0/2π = 80 GHz such that the phonon number in the system is small. We truncate the phononic Hilbert space to a finite-dimensional Hilbert space with maximal 30 (or 100) phonons for the direct method (or Pauli master equation approach). On the other hand, the shift methods with and without updating the shift parameter are performed within a Hilbert space with maximal 5 tilded phonons. Here we set eVbias/2πℏ = 100 GHz, and other parameters are the same as in Fig. 3.
