3 papers
quant-ph2025
Identifying genuine entanglement of lossy noisy very large scale continuous variable Greenberger-Horne-Zeilinger state
Xiao-yu Chen
Genuine entanglement identification of large scale systems is crucial for quantum computation, quantum communication and quantum learning advantage. In contrast to experiments, whe…
quant-ph2024
Scalable multipartite entanglement criteria for continuous variables
Xiao-yu Chen
Multipartite entanglement detection is crucial for the develop of quantum information science and quantum computation, communication, simulation and metrology tasks. In contrast to…
quant-ph2016
Matched witness for multipartite entanglement
Xiao-yu Chen, Zhu-an Xu
We transform the way of finding entanglement criterion into two steps: to obtain necessary criterion of separability by maximizing an algebra function for a set of characteristic v…