We study the exact entanglement dynamics of two qubits interacting with a common zero-temperature non-Markovian reservoir. We consider the two qubits initially prepared in Bell-like states or extended Werner-like states. We study the dependence of the entanglement dynamics on both the degree of purity and the amount of entanglement of the initial state. We also explore the relation between the entanglement and the von Neumann entropy dynamics and find that these two quantities are correlated for initial Bell-like states.
|Number of pages||10|
|Journal||Journal of Physics B: Atomic and Molecular Physics|
|Publication status||Published - 28 Apr 2010|
Mazzola, L., Maniscalco, S., Piilo, J., & Suominen, K-A. (2010). Interplay between entanglement and entropy in two-qubit systems. Journal of Physics B: Atomic and Molecular Physics, 43(8), . https://doi.org/10.1088/0953-4075/43/8/085505