Entanglement dynamics of two-bipartite system under the influence of dissipative environments
arXiv:1011.0303 · doi:10.1016/j.optcom.2010.03.029
Abstract
An experimental scheme is suggested that permits a direct measure of entanglement in a two-qubit cavity system. It is realized in the cavity-QED technology utilizing atoms as flying qubits. With this scheme we generate two different measures of entanglement, namely logarithmic negativity and concurrence. The phenomenon of sudden death entanglement (ESD) in a bipartite system subjected to dissipative environment is examined. We show that the sudden death time of the entangled states depends on the initial preparation of the entangled state and the temperature of the reservoir.
21 pages, 13 figures
References in corpus (15)
- Finite-Time Disentanglement via Spontaneous Emission
- Quantum Open System Theory: Bipartite Aspects
- Dark periods and revivals of entanglement in a two qubit system
- Sudden Birth Versus Sudden Death of Entanglement in Multipartite Systems
- Heralded Entanglement between Atomic Ensembles: Preparation, Decoherence, and Scaling
- Sudden Death of Entanglement: Classical Noise Effects
- Sudden Death of Entanglement of Two Jaynes-Cummings Atoms
- Delayed (sudden) birth of entanglement
- Direct measurement of finite-time disentanglement induced by a reservoir
- Exact Master Equation and Quantum Decoherence of Two Coupled Harmonic Oscillators in a General Environment
- Decoherence of Bell states by local interactions with a dynamic spin environment
- Vacuum as a less hostile environment to entanglement
- Dependence of the decoherence of polarization states in phase-damping channels on the frequency spectrum envelope of photons
- Single observable concurrence measurement without simultaneous copies
- Entanglement measurement based on two-particle interference