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quant-ph2019
Mutually unbiased bases containing a complex Hadamard matrix of Schmidt rank three
Mengyao Hu, Yize Sun, Lin Chen
Constructing four six-dimensional mutually unbiased bases (MUBs) is an open problem in quantum physics and measurement. We investigate the existence of four MUBs including the iden…
quant-ph2019
Entanglement distillation in terms of a conjectured matrix inequality
Yize Sun, Lin Chen
Entanglement distillation is a basic task in quantum information, and the distillable entanglement of three bipartite reduced density matrices from a tripartite pure state has been…
math-ph2019★ 1 cited
Real Entries of Complex Hadamard Matrices and Mutually Unbiased Bases in Dimension Six
Mengfan Liang, Mengyao Hu, Yize Sun +1
We investigate the number of real entries of an complex Hadamard matrix (CHM). We analytically derive the numbers when . In particular, the number can be any…