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quant-ph2008★ 82 cited
Structural approximations to positive maps and entanglement breaking channels
J. K. Korbicz, M. L. Almeida, J. Bae +2
Structural approximations to positive, but not completely positive maps are approximate physical realizations of these non-physical maps. They find applications in the design of di…
quant-ph2007★ 132 cited
Noise robustness of the nonlocality of entangled quantum states
Mafalda L. Almeida, Stefano Pironio, Jonathan Barrett +2
We study the nonlocal properties of states resulting from the mixture of an arbitrary entangled state rho of two d-dimensional systems and completely depolarized noise, with respec…