Helmut Rauch

Helmut Rauch (22 January 1939 – 2 September 2019) was an Austrian physicist. He was especially known for his pioneering experiments on neutron interference.

Helmut Rauch
Helmut Rauch in Budapest, 2013
Born(1939-01-22)22 January 1939
Krems an der Donau, Austria, Nazi Germany
Died2 September 2019(2019-09-02) (aged 80)
Vienna, Austria
NationalityAustrian
Alma materVienna University of Technology
AwardsWilhelm Exner Medal (1985)[1]
Scientific career
FieldsPhysics
Doctoral studentsAnton Zeilinger

Rauch studied Physics at Vienna University of Technology and worked at the Institute of Atomic and Subatomic Physics there. He was also affiliated with the Forschungszentrum Jülich and the Institut Laue-Langevin in Grenoble.

Neutron interference experiments

In 1974, Rauch, together with Ulrich Bonse and Wolfgang Treimer, demonstrated the first matter wave interference of neutrons. This demonstrated the wave-like nature of neutrons for the first time and was another experimental proof that not only photons can be described by waves, but also massive particles. Further they demonstrated the fundamental symmetry of spin 1/2 particles under rotation.

Death

Rauch died on 2 September 2019, aged 80, following a short illness in Vienna.[2]

References
  1. Editor, ÖGV. (2015). Wilhelm Exner Medal. Austrian Trade Association. ÖGV. Austria.
  2. "Kernphysiker Helmut Rauch verstorben" (in German). Wien Orf.at. 5 September 2019.
  • Rauch, H.; Bonse, U. (1979). Neutron Interferometry. Oxford: Clarendon Press.
  • Rauch, H.; Badurek, G.; Zeilinger, Anton (1988). Matter Wave Interferometry. North Holland.
  • Rauch, H.; Werner, S. A. (2000). Neutron Interferometry. Clarendon Press.
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