Evidence for unexpected robustness of multipartite entanglement against sudden death from spontaneous emission
Songbo Xie, Daniel Younis, Joseph H. Eberly · Physical Review Research · 2023
Evidence is found that sheds light on the origin of entanglement sudden death (ESD), a phenomenon characterized by anomalously abrupt decay of quantum entanglement. By identifying a trigger state that initiates ESD, this discovery suggests that systems involving multiple parties exhibit increased robustness against this disruptive effect.