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quant-ph2023★ 1 cited
Lower Bounds of Entanglement Quantifiers Based On Entanglement Witnesses
Xian Shi
To quantify the entanglement of bipartite systems in terms of some entanglement measure is a challenging problem in general, and it is much worse when the information about the sys…
quant-ph2023
The entanglement criteria based on equiangular tight frames
Xian Shi
Finite tight frames play an important role in miscellaneous areas, including quantum information theory. Here we apply a class of tight frames, equiangular tight frames, to address…