Vedral develops quantum-information theory, including mathematical measures that quantify entanglement and clarify what purification procedures can extract from mixed quantum states.
University of Oxford Department of PhysicsarXivEntanglement is useful only when researchers can say how much of it a state contains and what transformations can recover from noisy resources. Vedral's joint work with Martin Plenio developed a class of entanglement measures based on distance-like quantities, including relative entropy and the Bures metric, and related those measures to purification limits. This record focuses on that defined theoretical contribution rather than treating entanglement as a single directly observed hardware score.
University of Oxford Department of PhysicsarXivDefining contributions
Work, in context- 1997
Entanglement measures and purification bounds
Vedral and Martin B. Plenio developed a class of entanglement measures satisfying stated conditions, including measures generated by quantum relative entropy and the Bures metric. They also related the measure to upper bounds on singlets obtainable through purification and distinguished distillable entanglement from entanglement of creation.
Joint theoretical work by Vlatko Vedral and Martin B. Plenio; the bounds and comparisons apply to the mathematical framework developed in the paper.
Source-supported recordarXiv
Keep in perspective
Entanglement measures are mathematical quantities defined for specified states and operations. They are not interchangeable with a direct processor benchmark or a claim of useful computational advantage.
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Entanglement measures and purification bounds
Entanglement Measures and Purification Procedures
Supports: Authorship, entanglement-measure construction, relative-entropy and Bures examples, and purification bounds; date is the first preprint submission.
Published 17 Jul 1997 · Checked 20 Sept 2026Credit & limits: Joint theoretical work by Vlatko Vedral and Martin B. Plenio; the bounds and comparisons apply to the mathematical framework developed in the paper.
Read the full contribution| Contribution | Evidence & what it supports | Credit & limits |
|---|---|---|
| Entanglement measures and purification bounds1997 | Primary paperEntanglement Measures and Purification Procedures Authorship, entanglement-measure construction, relative-entropy and Bures examples, and purification bounds; date is the first preprint submission. Published 17 Jul 1997 · Checked 20 Sept 2026 | Joint theoretical work by Vlatko Vedral and Martin B. Plenio; the bounds and comparisons apply to the mathematical framework developed in the paper. |
Follow the evidence
2 sourcesPrimary papers, institutional records and attributed announcements. Each source supports the claims linked above.
- University of Oxford Department of PhysicsInstitutional record
Prof Vlatko Vedral FInstP
Current Professor of Quantum Information Science title and institutional publication record.
Checked 20 Sept 2026 - arXivPrimary paper
Entanglement Measures and Purification Procedures
Authorship, entanglement-measure construction, relative-entropy and Bures examples, and purification bounds; date is the first preprint submission.
Published 17 Jul 1997 · Checked 20 Sept 2026