Paul Busch (physicist)

Paul Busch (15 February 1955 – 9 June 2018) was a German-born mathematical physicist, known for his work in quantum mechanics. He made pioneering contributions to quantum measurement theory, being an advocate of the use of POVMs, and to the uncertainty principle in quantum mechanics, where he developed a mathematical formulation of a measurement-disturbance relation.[1]

Paul Busch
Born15 February 1955
Refrath, Bergisch Gladbach, Germany
Died9 June 2018
York, UK
Alma materUniversity of Cologne
Known for
Scientific career
FieldsPhysics, Mathematics
InstitutionsUniversity of York, University of Hull
Doctoral advisorPeter Mittelstaedt
Websitepaulbusch.wixsite.com/research-page
www.york.ac.uk/maths/staff/paul-busch/

He was a professor of mathematics at the University of Hull and the University of York. He published over 100 scientific articles[2] and co-authored three books: The Quantum Theory of Measurement,[3] Operational Quantum Physics[4] and Quantum Measurement.[5]

Early life and education

Busch was born in Refrath, a district of Bergisch Gladbach, Germany in February 1955. He studied at the University of Cologne, obtaining a Diploma in Physics in 1979 and a Ph.D. in 1982 under the supervision of Peter Mittelstaedt. The title of his Ph.D. thesis was Indeterminacy relations and simultaneous measurements in quantum theory. He followed his PhD with a Habilitation in Mathematical Physics from the University of Cologne, for a thesis entitled Physical aspects of a generalised observable concept in quantum theory.[6]

Career

Busch held positions at Florida Atlantic University (1986), the Max Planck Institute (Göttingen) (1987–88), and the University of Heidelberg (1994).[7] In 1995, he moved to the University of Hull, where he was successively lecturer, reader and professor of mathematical physics; he was head of the department of mathematics from 2001 to 2005. He joined the University of York as professor of mathematics in 2005, where he remained until his death. He was additionally an adjunct professor of theoretical physics at the University of Turku in Finland (from 1991), and also held visiting professorships at the Lyman Laboratory of Physics, Harvard University (1994–95) and the Perimeter Institute for Theoretical Physics in Waterloo, Ontario (2005–07).[6]

He died in June 2018 after a short illness.[6]

Honours

Busch was elected a Fellow of the Institute of Physics in 2014 and a full member of L’Académie Internationale de Philosophie des Sciences in 2016.[6] He was President of the International Quantum Structures Association (2016 until his death).[6]

References
  1. Paul Busch, Pekka Lahti, and Reinhard F. Werner "Proof of Heisenberg’s Error-Disturbance Relation" Phys. Rev. Lett. 111, 160405 DOI:10.1103/PhysRevLett.111.160405
  2. R.Colbeck, L. Loveridge and S. Weigert "Paul Busch: Contributions to Quantum Theory", Journal of Physics: Conference Series, Vol. 1638, Mathematical Foundations of Quantum Mechanics - in memoriam Paul Busch. DOI:10.1088/1742-6596/1638/1/012014
  3. P. Busch, P. Lahti, P. Mittelstaedt "The Quantum Theory of Measurement", Lecture Notes in Physics, Vol. m2, Springer-Verlag, Berlin, 1991. Second revised edition 1996. DOI: 10.1007/978-3-540-37205-9
  4. P. Busch, M. Grabowski, P. Lahti "Operational Quantum Physics", Lecture Notes in Physics, Vol. m31, Springer-Verlag, Berlin, 1995. Second, corrected printing 1997. DOI: 10.1007/978-3-540-49239-9
  5. P. Busch, P. Lahti, J.-P. Pellonpää, K. Ylinen "Quantum Measurement", Theoretical and Mathematical Physics, Springer International Publishing, 2016. DOI:10.1007/978-3-319-43389-9
  6. Gudder, Stan; Lahti, Pekka; Loveridge, Leon (September 2018). "Paul Busch 1955–2018". Foundations of Physics. 48 (9): 1128–1130. Bibcode:2018FoPh...48.1128G. doi:10.1007/s10701-018-0206-8. ISSN 0015-9018. S2CID 125657332.
  7. "Curriculum vitae: Paul Busch FInstP" (PDF). January 2018. Retrieved 13 December 2020.


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