Non-additivity of quantum capacity for multiparty communication channels

Abstract

We investigate multiparty communication scenarios where information is sent from several sender to several receivers. We establish a relation between the quantum capacity of multiparty communication channels and their distillability properties which enables us to show that the quantum capacity of such channels is not additive.

4 pages, 1 figure

References in corpus (10)

• Mixed State Entanglement and Quantum Error Correction
• Separability Criterion for Density Matrices
• Mixed-state entanglement and distillation: is there a ``bound'' entanglement in nature?
• Unextendible Product Bases, Uncompletable Product Bases and Bound Entanglement
• Classification of multi-qubit mixed states: separability and distillability properties
• Entangling operations and their implementation using a small amount of entanglement
• On Quantum Fidelities and Channel Capacities
• Universal Quantum Information Compression
• A General Fidelity Limit for Quantum Channels
• Activating bound entanglement in multi-particle systems

Cited by in corpus (19)

• Quantum entanglement
• Quantum Communication With Zero-Capacity Channels
• Capacity Theorems for Quantum Multiple Access Channels: Classical-Quantum and Quantum-Quantum Capacity Regions
• A few steps more towards NPT bound entanglement
• Bound entanglement maximally violating Bell inequalities: quantum entanglement is not equivalent to quantum security
• Nonadditivity of quantum and classical capacities for entanglement breaking multiple-access channels and butterfly network
• Bound entanglement provides convertibility of pure entangled states
• Multi-particle entanglement manipulation under positive partial transpose preserving operations
• Nonadditivity effects in classical capacities of quantum multiple-access channels
• Additive Classical Capacity of Quantum Channels Assisted by Noisy Entanglement
• Entanglement between Two Uses of a Noisy Multipartite Quantum Channel Enables Perfect Transmission of Classical Information
• Channel kets, entangled states, and the location of quantum information
• Quantum communication cost of preparing multipartite entanglement
• Simple test for quantum channel capacity
• Quantum channel capacities - multiparty communication
• W-like bound entangled states and secure key distillation
• Quantum superadditivity in linear optics networks: sending bits via multiple access Gaussian channels
• Aspects of multistation quantum information broadcasting
• Directed percolation effects emerging from superadditivity of quantum networks