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quant-ph2010★ 1 cited
Exponential Quantum Speed-ups are Generic
Fernando G. S. L. Brandao, Michal Horodecki
A central problem in quantum computation is to understand which quantum circuits are useful for exponential speed-ups over classical computation. We address this question in the se…
quant-ph2010★ 4 cited
Low-dimensional quite noisy bound entanglement with cryptographic key
Łukasz Pankowski, Michał Horodecki
We provide a class of bound entangled states that have positive distillable secure key rate. The smallest state of this kind is 4 \bigotimes 4. Our class is a generalization of the…