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14 papers · 2 filters
The role of damping for the driven anharmonic quantum oscillator
Lingzhen Guo, Michael Marthaler, Stephan André +1
For the model of a linearly driven quantum anharmonic oscillator, the role of damping is investigated. We compare the position of the stable points in phase space obtained from a c…
Optimal nonlocal multipartite entanglement concentration based on projection measurements
Fu-Guo Deng
We propose an optimal nonlocal entanglement concentration protocol (ECP) for multi-photon systems in a partially entangled pure state, resorting to the projection measurement on an…
Derivation of exact master equation with stochastic description: Dissipative harmonic oscillator
Haifeng Li, Jiushu Shao, Shikuan Wang
A systematic procedure for deriving the master equation of a dissipative system is reported in the framework of stochastic description. For the Caldeira-Leggett model of the harmon…
Dynamics of entanglement for a two-parameter class of states in a qubit-qutrit system
Hai-Rui Wei, Bao-Cang Ren, Tao Li +2
We investigate the dynamics of entanglement for a two-parameter class of states in a hybrid qubit-qutrit system under the influence of various dissipative channels. Our results sho…
Efficient multipartite entanglement purification with the entanglement link from a subspace
Fu-Guo Deng
We present an efficient multipartite entanglement purification protocol (MEPP) for N-photon systems in a Greenberger-Horne-Zeilinger state with parity-check detectors. It contains…
Multipartite electronic entanglement purification with charge detection
Yu-Bo Sheng, Fu-Guo Deng, Gui-Lu Long
We present a multipartite entanglement purification scheme in a Greenberger-Horne-Zeilinger state for electrons based on their spins and their charges. This scheme works for purifi…