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QUBITWIRE 100

Barbara M. Terhal

Group leader

QuTech, Delft University of Technology

QuTech
Netherlands · work baseIdentification checked 2026-09-19
WHY INCLUDED

Studies how quantum information can survive noise, combining rigorous limits on quantum memories with error-correction theory and research connected to physical qubit architectures.

arXiv / New Journal of PhysicsarXiv / Reviews of Modern Physics

Terhal’s work asks which kinds of protection quantum information can actually obtain from a physical system. A rigorous limitation on passive stabilizer-code memories clarifies what some architectures cannot provide automatically. Her broader work on quantum error correction explains the active codes, thresholds and decoding strategies used to pursue reliable storage and computation. This combination of constructive theory and carefully stated limits makes her research valuable for judging hardware proposals without confusing a promising design with proven resilience.

QuTecharXiv / New Journal of PhysicsarXiv / Reviews of Modern Physics

Defining contributions

Work, in context
  1. 2009

    Limits on passive stabilizer-code memories

    With Sergey Bravyi, Terhal proved a no-go theorem for self-correcting quantum memories based on geometrically local stabilizer codes in one and two dimensions. The theorem constrains a specified class of models, rather than every conceivable quantum memory.

    Co-author of the theorem with Sergey Bravyi.

    Source-supported recordarXiv / New Journal of Physics
  2. 2015

    A framework for quantum memories

    Terhal’s review brought together stabilizer and subsystem codes, fault-tolerance thresholds, decoding and passive-memory approaches. It connected the mathematical structure of error correction with the requirements of storing quantum information in physical systems.

    Sole author of the cited quantum-memory review.

    Source-supported recordarXiv / Reviews of Modern Physics

Keep in perspective

The no-go theorem is presented with its stabilizer-code and dimensional assumptions; it is not a universal impossibility claim.

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.