Solvable model of dissipative dynamics in the deep strong coupling regime

Details Solvable model of dissipative dynamics in the deep strong coupling regime Solvable model of dissipative dynamics in the deep strong coupling regime

2011-07-18

arxiv.org/abs/1107.3398v1

Eur. Phys. J. Special Topics 203, 207-216 (2012)

Physics

Quantum Physics

6 pages, 8 figures

Scientific paper

We describe the dynamics of a qubit interacting with a bosonic mode coupled to a zero-temperature bath in the deep strong coupling (DSC) regime. We provide an analytical solution for this open system dynamics in the off-resonance case of the qubit-mode interaction. Collapses and revivals of parity chain populations and the oscillatory behavior of the mean photon number are predicted. At the same time, photon number wave packets, propagating back and forth along parity chains, become incoherently mixed. Finally, we investigate numerically the effect of detuning on the validity of the analytical solution.

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