Fig. 5: Nonequilibrium thermodynamic transformations of the Jaynes-Cummings interaction case.
From: Single-atom exploration of optimized nonequilibrium quantum thermodynamics by reinforcement learning

a Designed pulses of the Rabi frequency and the laser phase due to reinforcement learning(RL) control. b Dynamics of coherence with and without RL-control. c Time evolution of fidelity F and entropy production reduction ΔΣ, where dots are experimental results and lines represent theoretical simulation. Inset presents time evolution of the mean phonon number \(\bar{n}=\langle {a}^{{{{\dagger}}} }a\rangle\) with and without RL control pulses. d, e Comparison of robustness against the deviations of Rabi frequency and resonance frequency for Fopt and ΔΣ. The error bars indicating the statistical standard deviation of the experimental data are obtained by 10,000 measurements for each data point. Other parameters: Rabi frequency Ω0/2π = 50kHz, time for every step δτ = 0.25/Ω0, and inverse temperature βΩ0 = 2.