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QUBITWIRE 100

David P. DiVincenzo

Quantum information theorist; former director of PGI-2

Forschungszentrum Jülich (former institute director)

Forschungszentrum Jülich
Identification checked 2026-09-19
WHY INCLUDED

Set out practical criteria for quantum computing and co-proposed electron-spin qubits in quantum dots, connecting abstract computation to the requirements of physical devices.

arXiv / Physical Review AarXiv / Fortschritte der PhysikForschungszentrum Jülich

DiVincenzo connects two questions that every hardware program must answer: what must a quantum computer be able to do, and which physical system can do it? His implementation criteria provide a vocabulary for assessing qubit preparation, control, coherence and measurement. With Daniel Loss he proposed a concrete semiconductor-spin architecture. Together, these contributions link general requirements to an enduring experimental direction. The profile credits the shared proposal jointly and separates that scientific legacy from institutional responsibilities that have since changed.

Forschungszentrum JülicharXiv / Physical Review AarXiv / Fortschritte der Physik

Defining contributions

Work, in context
  1. 1998

    Quantum computation with quantum dots

    Loss and DiVincenzo proposed storing quantum information in the spins of individual electrons confined in coupled quantum dots. Their paper described a universal set of single-qubit and two-qubit operations, with exchange interactions controlled through the tunnelling barrier between neighboring dots. The proposal appeared as a 1997 preprint before journal publication in 1998.

    Joint theoretical proposal by Daniel Loss and David P. DiVincenzo.

    Source-supported recordarXiv / Physical Review A
  2. 2000

    Requirements for a physical quantum computer

    DiVincenzo organized the requirements for quantum computation into five criteria and added two for communicating quantum information. The paper assessed how proposed atomic, optical, magnetic, superconducting and quantum-dot systems could meet those requirements. It gave experimental programs a common checklist without declaring a winning hardware platform.

    Sole author of the paper setting out computing and communication criteria.

    Source-supported recordarXiv / Fortschritte der Physik
  3. 2025

    A change in institutional leadership

    Jülich records that DiVincenzo retired as director of its Institute for Theoretical Nanoelectronics in August 2025 after fourteen years leading the institute. A March 2026 announcement identifies Markus Müller as his successor. The directory therefore describes DiVincenzo as a former director.

    Personal career milestone documented by Forschungszentrum Jülich.

    Source-supported recordForschungszentrum Jülich

Keep in perspective

Jülich directorship is explicitly historical following retirement in August 2025. No current principal work base or additional appointment is inferred. The spin-qubit architecture is jointly attributed to Daniel Loss.

Follow the evidence

3 sources

Primary papers, institutional records and attributed announcements. Each source supports the claims linked above.

QubitWire editorial · Content edition 2026-09-19.1Independent coverage. Inclusion does not imply endorsement.