Entanglement map · Established

Entangled catalysts enable otherwise impossible conversions

Proved, with a source.

An extra entangled state can make a forbidden pure state transformation possible, and be returned unchanged at the end.

Connections

• Part of: Conversion
• See also: Majorization decides single-copy pure state conversion
• Needed by: With catalysts, entanglement entropy decides pure state conversion

Sources

• Entanglement-assisted local manipulation of pure quantum states. D. Jonathan, M. B. Plenio, 1999.

Checked 2026-10-30.