Entanglement map · Established

Entanglement between qubits is monogamous

Proved, with a source.

How much A shares with B limits how much it can share with C. Coffman, Kundu and Wootters proved this for three qubits, and Osborne and Verstraete proved the conjectured inequality for any number of qubits.

Connections

• Part of: Multipartite entanglement

Sources

• Distributed entanglement. V. Coffman, J. Kundu, W. K. Wootters, 1999.
• General monogamy inequality for bipartite qubit entanglement. T. J. Osborne, F. Verstraete, 2005.

Checked 2026-10-30.