Topic
Bound entanglement
4 records: 3 unsolved, 1 solved. Filter the catalog by this topic →
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Secret key from every entangled state
Does every finite-dimensional entangled bipartite state have positive asymptotic distillable secret key?
Solved -
NPT bound entanglement and the rank-five frontier
Does there exist a finite-dimensional bipartite state with non-positive partial transpose (NPT) that is undistillable by local operations and classical communication (LOCC)?
Unsolved -
Zero two-way quantum capacity of endpoint Holevo–Werner channels
Is the two-way assisted quantum capacity of the Holevo–Werner channel \(\mathcal W_d\) zero for every integer \(d\geq3\)?
Unsolved -
LOCC entanglement cost of PPT-entangled Gaussian states
What is the exact LOCC entanglement cost of a finite-energy PPT-entangled Gaussian state?
Unsolved