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4 papers · 2 filters
Continuous Multipartite Entangled State in Wigner Representation and the Violation of Zukowski-Brukner Inequality
Chunfeng Wu, Jing-Ling Chen, L. C. Kwek +2
We construct an explicit Wigner function for N-mode squeezed state. Based on a previous observation that the Wigner function describes correlations in the joint measurement of the…
Berry phase in a composite system
X. X. Yi, L. C. Wang, T. Y. Zheng
The Berry phase in a composite system with only one subsystem being driven has been studied in this Letter. We choose two spin- systems with spin-spin couplings as the…
Dynamics of Distillability
W. Wu, W. Wang, X. X. Yi
The time evolution of a maximally entangled bipartite systems is presented in this paper. The distillability criterion is given in terms of Kraus operators. Using the criterion, we…
Two-component Fermi gas in a Harmonic Trap
X. X. Yi, H. J. Wang, H. T. Cui +1
We consider a mixture of two-component Fermi gases at low temperature. The density profile of this degenerate Fermi gas is calculated under the semiclassical approximation. The res…