Barbara Terhal

Barbara M. Terhal (born 1969) is a theoretical physicist working in quantum information and quantum computing. She is a professor in the Delft Institute of Applied Mathematics at TU Delft, as well as leading the Terhal Group at QuTech, the Dutch institute for quantum computing and quantum internet, founded by TU Delft and the Netherlands Organisation for Applied Scientific Research (TNO). Her research concerns many areas in quantum information theory, including entanglement detection, quantum error correction, fault-tolerant quantum computing and quantum memories.

Barbara M. Terhal
Born1969 (age 53–54)
Leiden, Netherlands[1]
Alma materUniversity of Amsterdam
Known for
SpouseDavid DiVincenzo
Scientific career
FieldsPhysics (theoretical)
Institutions

Education and early life

Barbara Terhal was born in Leiden in 1969.[2] Already in her early school days, she enjoyed mathematics, physics and solving puzzles.[3]

Terhal completed her PhD Cum Laude on "Quantum Algorithms and Quantum Entanglement"[4] at the University of Amsterdam in 1999, making her the first person to receive a PhD in quantum computing in the Netherlands.[5] As part of her thesis, she coined the term entanglement witness[4][6] and proposed their use as alternatives to Bell tests for entanglement detection.

Career and research

After her PhD, Terhal joined the IBM Watson Research Centre in Yorktown Heights, New York[7] and the California Institute of Technology (Caltech) as a postdoctoral researcher. Between 2001 and 2010, she worked at IBM on a number of topics, including low-depth quantum circuits or stoquastic Hamiltonians, perturbative gadgets for quantum simulation and quantum complexity theory. She also developed quantum protocols for remote state preparation, quantum locking and quantum data hiding.[5]

In 2010, Terhal became a professor in theoretical physics at RWTH Aachen University. In addition, she held another position at the Forschungszentrum Jülich from 2015 - 2022.[8] In 2017 she moved to Delft, becoming a professor at the Faculty of Electrical Engineering, Mathematics and Computer Science (EEMCS) at TU Delft and group leader at QuTech.[7]

Since 2007, Terhal has been a fellow of the American Physical Society and has held the post of Distinguished Visiting Research Chair at the Perimeter Institute in Waterloo, Canada, since 2014.[9]

Terhal's current research focuses on quantum error correction and its realisation in solid-state qubits.[3] She is also interested in quantum complexity theory and how it can be used to demonstrate the power of a quantum computer.[3]

Awards

Barbara Terhal has received the following awards:

  • Awarded the Outstanding Innovation Award by IBM Research in 2007[10]
  • Elected a Distinguished Visiting Research Chair at Perimeter Institute, Waterloo, Canada in 2014[10]
  • Selected as Outstanding Referee by the American Physical Society in 2015[11]
  • Elected member of the Royal Netherlands Academy of Arts and Sciences in 2020.[12]

Publications

Her publications include:

  • B.M. Terhal, “Bell Inequalities and The Separability Criterion”, Physics Letters A 271, 319 (2000)[13]
  • B.M. Terhal and D.P. DiVincenzo, “Adaptive quantum computation, constant depth quantum circuits, and Arthur Merlin games”, Quant. Inf. and Comp. 4:2, pp. 134–145 (2004)[14]
  • B.M. Terhal, “Quantum Error Correction for Quantum Memories”, Rev. Mod. Phys. 87, 307 (2015)[15]

She has also written an essay on the fragility of quantum information.[16]

References
  1. "Barbara-M-Terhal". RWTH Aachen Research Group. Archived from the original on 6 April 2018. Retrieved 28 July 2016.
  2. "Barbara Terhal". QuTech. Retrieved 2018-12-09.
  3. "Six Questions with: Professor Barbara Terhal". Isaac Newton Institute for Mathematical Sciences. Archived from the original on 10 December 2018. Retrieved 9 December 2018.
  4. Terhal, Barbara M. (2000). "Bell inequalities and the separability criterion". Physics Letters A. 271 (5–6): 319–326. arXiv:quant-ph/9911057. Bibcode:2000PhLA..271..319T. doi:10.1016/S0375-9601(00)00401-1. S2CID 14295118.
  5. "Terhal Group - QuTech". QuTech. Retrieved 2018-10-19.
  6. "Physicists Find a Way to See the 'Grin' of Quantum Gravity | Quanta Magazine". Quanta Magazine. Retrieved 2018-10-19.
  7. "Barbara M. Terhal - RWTH AACHEN UNIVERSITY Institute for Quantum Information - English". www.quantuminfo.physik.rwth-aachen.de. Archived from the original on 2018-06-12. Retrieved 2018-12-09.
  8. "Barbara Terhal". QuTech. Retrieved 2023-10-20.
  9. "Barbara Terhal". www.online-learning.tudelft.nl/. Retrieved 2020-07-02.
  10. "Awards - RWTH AACHEN UNIVERSITY Institute for Quantum Information - English". www.quantuminfo.physik.rwth-aachen.de. Retrieved 2018-12-09.
  11. "Physical Review Journals - Outstanding Referees". journals.aps.org. Retrieved 2018-12-09.
  12. "Barbara Terhal". Royal Netherlands Academy of Arts and Sciences. Archived from the original on 2 May 2020.
  13. Terhal, Barbara M. (2000-07-10). "Bell inequalities and the separability criterion". Physics Letters A. 271 (5–6): 319–326. arXiv:quant-ph/9911057. Bibcode:2000PhLA..271..319T. CiteSeerX 10.1.1.251.5437. doi:10.1016/S0375-9601(00)00401-1. ISSN 0375-9601. S2CID 14295118.
  14. Terhal, Barbara M.; DiVincenzo, David P. (2002-05-21). "Adaptive Quantum Computation, Constant Depth Quantum Circuits and Arthur-Merlin Games". arXiv:quant-ph/0205133. Bibcode:2002quant.ph..5133T. {{cite journal}}: Cite journal requires |journal= (help)
  15. Terhal, Barbara M. (2015-04-07). "Quantum error correction for quantum memories". Reviews of Modern Physics. 87 (2): 307–346. arXiv:1302.3428. Bibcode:2015RvMP...87..307T. doi:10.1103/RevModPhys.87.307. S2CID 118646257.
  16. Terhal, Barbara M. (2013-05-17). "The Fragility of Quantum Information?". arXiv:1305.4004 [quant-ph].
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