33 citations · 177 across the 34 of their papers we have counts for
34 papers
Gaussian entanglement witness and refined Werner-Wolf criterion for continuous variables
Xiao-yu Chen, Maoke Miao, Rui Yin +1
We use matched quantum entanglement witnesses to study the separable criteria of continuous variable states. The witness can be written as an identity operator minus a Gaussian ope…
Matched entanglement witness criteria for continuous variables
Xiao-yu Chen, Maoke Miao, Rui Yin +1
We use quantum entanglement witnesses derived from Gaussian operators to study the separable criteria of continuous variable states. We transform the validity of a Gaussian witness…
A hierarchy of entanglement criteria for four qubit symmetric Greenberger-Horne-Zeilinger diagonal states
Xiao-yu Chen, Li-zhen Jiang
With a two step optimization method of entanglement witness, we analytically propose a set of necessary and sufficient entanglement criteria for four qubit symmetric Greenberger-Ho…
Precise detection of multipartite entanglement in four-qubit Greenberger--Horne--Zeilinger diagonal states
Xiao-yu Chen, Li-zhen Jiang, Zhu-an Xu
We propose a method of constructing the separability criteria for multipartite quantum states on the basis of entanglement witnesses. The entanglement witnesses are obtained by fin…
Necessary and sufficient criterion for k-separability of N-qubit noisy GHZ states
Xiao-yu Chen, Li-zhen Jiang, Zhu-an Xu
A Multipartite entangled state has many different kinds of entanglement specified by the number of partitions. The most essential example of multipartite entanglement is the entang…
Realignment Entanglement Criterion for Continuous Bipartite Symmetric Quantum States
Xiao-yu Chen, Li-zhen Jiang, Ping Yu +1
The separability of bipartite non-Gaussian states is studied by applying the realignment criterion with the technique of functional analysis. The realignment criterion is given as…