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SLOCC Convertibility between Two-Qubit States
Yeong-Cherng Liang, Lluís Masanes, Andrew C. Doherty
In this paper we classify the four-qubit states that commute with , where and are arbitrary members of the Pauli group. We characterize the…
Choice of Measurement Sets in Qubit Tomography
Mark D de Burgh, Nathan K. Langford, Andrew C. Doherty +1
Optimal generalized measurements for state estimation are well understood. However, practical quantum state tomography is typically performed using a fixed set of projective measur…
All bipartite entangled states display some hidden nonlocality
Lluis Masanes, Yeong-Cherng Liang, Andrew C. Doherty
We show that a violation of the Clauser-Horne-Shimony-Holt (CHSH) inequality can be demonstrated in a certain kind of Bell experiment for all bipartite entangled states. Our protoc…