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quant-ph2011
The sudden birth and sudden death of thermal fidelity in a two-qubit XY model
Li-Jun Tian, Li-Guo Qin, Ying Jiang +1
We study the energy level crossings of the states and thermal fidelity for a two-qubit system in the presence of a transverse and inhomogeneous magnetic field. It is shown clearly…
quant-ph2010★ 3 cited
Quantum algebra in the mixed light pseudoscalar meson states
Li-Jun Tian, Yan-Ling Jin, Ying Jiang
In this paper, we investigate the entanglement degrees of pseudoscalar meson states via quantum algebra Y(su(3)). By making use of transition effect of generators J of Y(su(3)), we…