Nonperturbative stochastic dynamics driven by strongly correlated colored noises

Abstract

We establish for the first time an exact stochastic dynamical equation for an open quantum systems coupled to correlated noises. We rigorously investigate the nonequilibrium dynamics of a qubit system under the influence of two strongly correlated non-Markovian baths by exactly solving the stochastic Schrödinger equation of an open quantum system. We show that the quantum dynamics of the qubit system is profoundly modulated by the mutual correlation between baths and the bath memory times through dissipation and fluctuation. We report a new physical effect on generating large values of the inner-correlation and entanglement of the distant two qubits arising from the strong bath correlation for a class of super-radiation states.

6 pages, 3 figures

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• Persistent spin squeezing of dissipative Lipkin-Meshkov-Glick Model embedded in a general thermal environment
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• Optimizing Quantum Teleportation and Dense Coding via Mixed Noise Under Non-Markovian Approximation
• Non-Markovian dynamics of a two-level system in a bosonic bath and a Gaussian fluctuating environment with finite correlation time
• High-order strong methods for stochastic differential equations with colored noises
• Photon counting statistics in the presence of spectral diffusion induced by nonequilibrium environmental fluctuations
• Non-Markovian decoherence of a two-level system in a Lorentzian bosonic reservoir and a stochastic environment with finite correlation time