Dynamics of Entanglement Transfer Through Multipartite Dissipative Systems

Abstract

We study the dynamics of entanglement transfer in a system composed of two initially correlated three-level atoms, each located in a cavity interacting with its own reservoir. Instead of tracing out reservoir modes to describe the dynamics using the master equation approach, we consider explicitly the dynamics of the reservoirs. In this situation, we show that the entanglement is completely transferred from atoms to reservoirs. Although the cavities mediate this entanglement transfer, we show that under certain conditions, no entanglement is found in cavities throughout the dynamics. Considering the entanglement dynamics of interacting and non-interacting bipartite subsystems, we found time windows where the entanglement can only flow through interacting subsystems, depending on the system parameters.

8 pages, 11 figures, publishe in Physical Review A

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• Dynamics of quantum correlations in two-qubit systems within non-Markovian environments
• Revival of quantum correlations without system-environment back-action
• Recovering Entanglement by Local Operations
• Distributed correlations and information flows within a hybrid multipartite quantum-classical system
• Protecting entanglement by adjusting the velocities of moving qubits inside non-Markovian environments
• Entanglement dynamics in superconducting qubits affected by local bistable impurities
• Geometric measure of quantum discord for a two-parameter class of states in a qubit-qutrit system under various dissipative channels
• Entanglement Dynamics of Two Independent Cavity-Embedded Quantum Dots
• Hidden entanglement in the presence of random telegraph dephasing noise
• Relations between entanglement and purity in non-Markovian dynamics
• Non-Markovianity and coherence of a moving qubit inside a leaky cavity
• Overview on the phenomenon of two-qubit entanglement revivals in classical environments
• Atoms versus photons as carriers of quantum states
• Entanglement increase from local interaction in the absence of initial quantum correlation in the environment and between the system and the environment
• Positivity of the assignment map implies complete positivity of the reduced dynamics