Entanglement distillation

Is the two-way assisted quantum capacity of the Holevo–Werner channel \(\mathcal W_d\) zero for every integer \(d\geq3\)?

• Quantum Communication
• Quantum Resource Theory
• Quantum capacity
• Bound entanglement
• Entanglement distillation

What computable expression, if any, equals the regularized exact PPT distillable entanglement of a bipartite state?

• Quantum Resource Theory
• Entanglement distillation
• PPT-preserving operations
• Additivity and regularization
• One-shot and finite-blocklength bounds

Is the Rains bound asymptotically achievable by completely positive-partial-transpose-preserving (completely PPT-preserving) channels for every full-rank two-qubit Bell-diagonal state, and what channel family achieves it?

• Quantum Resource Theory
• Entanglement distillation
• PPT-preserving operations
• Bell-diagonal states

What is the exact two-way distillable entanglement of a finite-energy mixed two-mode Gaussian state?

• Quantum Resource Theory
• Gaussian quantum information
• Entanglement distillation

What is the maximal success probability for preparing an approximate two-mode squeezed vacuum from finitely many copies of a non-Gaussian state?

• Quantum Resource Theory
• Gaussian quantum information
• Entanglement distillation
• One-shot and finite-blocklength bounds

Does there exist a finite-dimensional bipartite state with non-positive partial transpose (NPT) that is undistillable by local operations and classical communication (LOCC)?

• Quantum Resource Theory
• Entanglement distillation
• Bound entanglement
• Local operations and classical communication

Can discarding one local qubit reduce two-way distillable entanglement by an arbitrarily large amount?

• Quantum Resource Theory
• Entanglement distillation
• Entanglement measures
• Local operations and classical communication

What is the distillable entanglement \(D(\rho_{\mathbf p})\) under local operations and classical communication (LOCC) for the Bell-diagonal state

• Quantum Resource Theory
• Entanglement distillation
• Bell-diagonal states
• Local operations and classical communication