Herbert Wagner (physicist)
As a postdoc at Cornell University, he and David Mermin (and independently of Pierre Hohenberg) proved a "no-go theorem", otherwise known as the Mermin–Wagner theorem. The theorem states that continuous symmetries cannot be spontaneously broken at finite temperature in systems with sufficiently short-range interactions in dimensions .
Wagner is the academic father of a generation of statistical physicists. Many of his students and junior collaborators now occupy chairs in German universities, including Hans Werner Diehl (Essen), Siegfried Dietrich (Wuppertal, then Max-Planck-Institut für Metallforschung Stuttgart), Gerhard Gompper (Forschungszentrum Jülich), Reinhard Lipowsky (Max Planck Institute of Colloids and Interfaces, Berlin), Hartmut Löwen (Düsseldorf), Klaus Mecke (Erlangen), and Udo Seifert (Stuttgart).
In 1992, Wagner was awarded an honorary degree by the University of Essen (now University of Duisburg-Essen). In 2016 he received the Max Planck Medal for his fundamental works on the statistical physics of low-dimensional systems.
- W. Heisenberg, H. Wagner, K. Yamazaki: "Magnons in a model with antiferromagnetic properties", Il Nuovo Cimento 59, 377-391 (1969), doi:10.1007/BF02755024.
- N.D. Mermin, H. Wagner: "Absence of Ferromagnetism or Antiferromagnetism in One- or Two-Dimensional Isotropic Heisenberg Models", Phys. Rev. Lett. 17, 1133–1136 (1966).
- Ehrenpromotionen in der Theoretischen Physik an der Universität [Duisburg-]Essen
- "Archived copy". Archived from the original on 2016-07-30. Retrieved 2015-12-09.CS1 maint: archived copy as title (link)
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