Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.81.022103
Title: Local content of bipartite qubit correlations
Authors: Branciard, C.
Gisin, N.
Scarani, V. 
Issue Date: 3-Feb-2010
Source: Branciard, C., Gisin, N., Scarani, V. (2010-02-03). Local content of bipartite qubit correlations. Physical Review A - Atomic, Molecular, and Optical Physics 81 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.81.022103
Abstract: One of the last open problems concerning two qubits in a pure state is to find the exact local content of their correlation, in the sense of Elitzur, Popescu, and Rohrlich (EPR2). We propose an EPR2 decomposition that allows us to prove, for a wide range of states |ψ(θ)=cosθ|00+sinθ|11, that their local content is pL̄(θ)=cos2θ. We also share reflections on how to possibly extend this result to all two-qubit pure states. © 2010 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/97082
ISSN: 10502947
DOI: 10.1103/PhysRevA.81.022103
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