Hans Jürgen Briegel
Born (1962-08-09) 9 August 1962
Ochsenhausen, Germany
NationalityGerman
Alma materLMU München
Known forQuantum computation, Quantum information, Quantum biology
Scientific career
FieldsPhysicist
InstitutionsUniversity of Innsbruck

Hans Jürgen Briegel (born 9 August 1962 in Ochsenhausen)[1] is a German theoretical physicist. He is Full Professor at the University of Innsbruck and conducts research in the field of quantum physics and quantum information.[2]

Biography

Briegel studied physics and philosophy at the Ludwig-Maximilian University Munich (1983-1990, terms 1986–1987 at the University of Edinburgh).[1] In 1990 he graduated with a diploma, and in 1994 he completed the PhD program (thesis title: The Jaynes-Cummings Model with Dissipation and its Application for the Dynamics of Microscopic Masers and Lasers).[3] He worked as Research Associate at the Texas A&M University and as Postdoctoral Fellow at Harvard University and the University of Innsbruck.[1] During that time he was also visiting scientist at Harvard-Smithsonian Center for Astrophysics. In 1997 he became Research Associate at the University of Munich and after his habilitation in 2002 (Quantum Information and Computer) he became Associate Professor (German: Privatdozent). In 2003 he was offered a Chair in Theoretical Physics at the University of Düsseldorf, which he declined. In the same year he accepted the post as Full Professor at the University of Innsbruck and as a Scientific Director at the Institute for Quantum Optics and Quantum Information at the Austrian Academy of Sciences.[4] Among other institutions, he has lectured and researched as visiting professor at the University of Bristol, UK, and the Tsinghua University, Beijing, China.[5] Hans Briegel is married and has two children.

Research

Hans Briegel has developed fundamental concepts in the field of quantum information, quantum computing and quantum communication. In 2001, together with Robert Raussendorf, he introduced the concept of a one-way quantum computer or measurement-based quantum computer model, which presented a new paradigm for building a quantum computer.[6] According to Thomson Reuter's analysis, the publication of this work is the second most-often cited publication in the field of quantum computing research in the first decade of the 21st century.[7] Together with his work in cluster and graph states, it led to a completely new understanding of entanglement as a resource for quantum information processing. The concept of the quantum repeater, presented by Hans Briegel and his colleagues in 1998,[8] plays an important role in quantum communication.

In recent years Hans Briegel has explored topics bordering on other scientific fields: He has investigated whether entanglement states also exist in biological systems, for example in the magnetic compass of migratory birds.[9] Briegel has also published work relating to the topic of agency and free will;[10] he opposes the notion that the laws of nature don't permit free will. He developed a theoretical model that he calls “projective simulation”,[11] which allows for a rudimentary form of creative behavior for artificial agents.

See also

References

  1. 1 2 3 "Biography Hans J. Briegel" (PDF). University of Innsbruck. Retrieved 2 February 2022.
  2. ↑ "Website Hans J. Briegel". University of Innsbruck. Retrieved 2 February 2022.
  3. ↑ "Online Katalog der Universitätsbibliothek der LMU". LMU München. Retrieved 2 February 2022.
  4. ↑ "Institute for Quantum Optics and Quantum Information". IQOQI. Retrieved 30 July 2014.
  5. ↑ "Enge Kooperation mit Bristol". IQOQI. 22 March 2012. Retrieved 2 February 2022.
  6. ↑ Raussendorf, Robert; Briegel, Hans J. (May 2001). "A One-Way Quantum Computer". Physical Review Letters. APS. 86 (22): 5188–5191. Bibcode:2001PhRvL..86.5188R. doi:10.1103/PhysRevLett.86.5188. PMID 11384453.
  7. ↑ "Hans Briegel on the Advances and Applications of Quantum Computers". Science Watch. Retrieved 30 July 2014.
  8. ↑ Briegel, Hans J.; Dür, Wolfgang; Cirac, Ignacio; Zoller, Peter (1998). "Quantum repeaters: The role of imperfect local operations in quantum communication". Physical Review Letters. APS. 81 (26): 5932–5935. Bibcode:1998PhRvL..81.5932B. doi:10.1103/PhysRevLett.81.5932.
  9. ↑ Cai, Jianming; Guerreschi, Gian G.; Briegel, Hans J. (2010). "Quantum control and entanglement in a chemical compass". Physical Review Letters. 104 (22): 220502(4). arXiv:0906.2383. Bibcode:2010PhRvL.104v0502C. doi:10.1103/PhysRevLett.104.220502. PMID 20867156. S2CID 18572873.
  10. ↑ Briegel, Hans J. (2012). "On creative machines and the physical origins of freedom". Scientific Reports. Nature. 2: 522. Bibcode:2012NatSR...2E.522B. doi:10.1038/srep00522. PMC 3400932. PMID 22822427.
  11. ↑ Briegel, Hans J.; De Las Cuevas, Gemma (2012). "Projective simulation for artificial intelligence". Scientific Reports. 2: 400. arXiv:1104.3787. Bibcode:2012NatSR...2E.400B. doi:10.1038/srep00400. PMC 3351754. PMID 22590690.
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