Entanglement and nonlocality versus spontaneous emission in two-atom system

Abstract

We study evolution of entanglement of two two-level atoms in the presence of dissipation caused by spontaneous emission. We find explicit fromulas for the amount of entanglement as a function of time, in the case of destruction of the initial entanglement and possible creation of a transient entanglement between atoms. We also discuss how spontaneous emission influences nonlocality of states expressed by violation of Bell - CHSH inequality. It is shown that evolving system very quickly becomes local, even if entanglement is still present or produced.

15 pages, 7 figures

References in corpus (1)

• Entangled states and collective nonclassical effects in two-atom systems

Cited by in corpus (26)

• Open-System Dynamics of Entanglement
• Entanglement estimation from Bell inequality violation
• Two-qubit mixed states more entangled than pure states: Comparison of the relative entropy of entanglement for a given nonlocality
• Violation of Bell inequality and entanglement of decaying Werner states
• Sudden vanishing and reappearance of nonclassical effects: General occurrence of finite-time decays and periodic vanishings of nonclassicality and entanglement witnesses
• Quantum correlations as precursors of entanglement
• Local aspects of disentanglement induced by spontaneous emission
• Finite-dimensional states and entanglement generation for a nonlinear coupler
• Environment-induced entanglement with a single photon
• Decoherence effects in interacting qubits under the influence of various environments
• Experimental investigation of enviroment--induced entanglement using an all--optical setup
• Bell inequality violation versus entanglement in presence of local decoherence
• Vacuum - induced stationary entanglement in radiatively coupled three - level atoms
• Bell inequalities versus entanglement and mixedness for a class of two - qubit states
• Bell violation versus geometric measure of quantum discord and their dynamical behavior
• Delayed birth of distillable entanglement in the evolution of bound entangled states
• Qubit thermodynamics far from equilibrium: two perspectives about the nature of heat and work in the quantum regime
• Generation of Werner-like stationary states of two qubits in a thermal reservoir
• Generation of Werner states and preservation of entnglement in a noisy environment
• Out-of-equilibrium quantum thermodynamics in the Bloch sphere: temperature and internal entropy production
• Effects of decoherence and errors on Bell-inequality violation
• Entanglement versus Bell nonlocality of quantum nonequilibrium steady states
• Generation and sudden death of entanglement in qubit-qutrit systems in depolarizing noise
• Entanglement sudden birth and sudden death in a system of two distant atoms coupled via an optical element
• Asymptotic entanglement of two atoms in squeezed light field
• Bipartite entanglement induced by classically-constrained quantum dissipative dynamics