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36 papers · 1 filter
Existence Criterion of Genuine Tripartite Entanglement
Chang-shui Yu, He-shan Song
In this paper, an intuitive mathematical formulation is provided to generalize the residual entanglement for tripartite systems of qubits [Phys. Rev. A 61, 052306 (2000)] to the tr…
Feedback control on geometric phase in dissipative two-level systems
H. Y. Sun, P. L. Shu, C. Li +1
The effect of feedback on a two-level dissipative system is studied in this paper. The results show that it is possible to control the phase in the open system even if its state ca…
Evolution of entanglement for quantum mixed states
Chang-shui Yu, X X Yi, He-shan Song
A simple relation is introduced for concurrence to describe how much the entanglement of bipartite system is at least left if either (or both) subsystem undergoes an arbitrary phys…
The Influence of Free Quintessence on Gravitational Frequency Shift and Deflection of Light with 4D momentum
Molin Liu, Jianbo Lu, Yuanxing Gui
Based on the 4D momentum, the influence of quintessence on the gravitational frequency shift and the deflection of light are examined in modified Schwarzschild space. We find that…
Quantum Statistical Entropy and Minimal Length of 5D Ricci-flat Black String with Generalized Uncertainty Principle
Molin Liu, Yuanxing Gui, Hongya Liu
In this paper, we study the quantum statistical entropy in a 5D Ricci-flat black string solution, which contains a 4D Schwarzschild-de Sitter black hole on the brane, by using the…
Non-Markovian Effects on the Geometric Phase
X. L. Huang, X. X. Yi
The geometric phases of a two-level atom interacting with non-Markovian environments are calculated and the non-Markovian effects on the geometric phases are discussed in this pape…