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quant-ph2015
The superposition invariance of unitary operators and maximally entangled state
Xin-Wei Zha, Yun-Guang Zhang, Jian-Xia Qi
In this paper, we study the superposition invariance of unitary operators and maximally entangled state respectively. Furthermore, we discuss the set of orthogonal maximally entang…
quant-ph2015
3-Uniform states and orthogonal arrays
Xin-wei Zha, Irfan Ahmed, Yanpeng Zhang
In a recent paper (Phys. Rev. A 90, 022316 (2014) ), Goyeneche et al. established a link between the combinatorial notion of orthogonal arrays and k-uniform states and present open…