Michel Gaudin (physicist)

Michel Gaudin (born 2 December 1931)[1] is a French physicist, known for the Gaudin model, in which a central spin is coupled to many surrounding spins.[2]

After graduating with the degree of ingénieur des ponts et chaussées (civil engineer), Gaudin joined in 1956 the CEA in Saclay to work on neutron experiments. Two years later, he joined Claude Bloch's theorists' working group, to which he belonged for the rest of his career.[3] In 1967 he received from the University of Paris-Sud in Orsay his doctoral degree in physics with thesis Étude d'un modèle à une dimension pour un système de fermions en interaction.[1] Gaudin's research deals with, among other topics, the quantum-mechanical description of many-body systems, in particular, spin systems.

With M. L. Mehta in 1960 he published On the density of eigenvalues of a random matrix, an important paper on random matrices.[4]

Gaudin received the Fondation Saintour Prize, awarded every two years since 1889 by the Collège de France.[5] In 2019, he received, with two other physicists, the Dannie Heineman Prize for Mathematical Physics from the American Physical Society.

Publications
  • M. Gaudin, Modèles exactement résolus , EDP Sciences (1996) ISBN 2-86883-264-4.
  • M. Gaudin, La Fonction d'onde de Bethe , Masson, Paris (1983) ISBN 2-225-79607-6.

References
  1. Gaudin, Michel — Notice de personne. catalogue, Bibliothèque nationale de France.
  2. Feigin, Boris; Frenkel, Edward; Reshetikhin, Nikolai (1994). "Gaudin Model, Bethe Ansatz and Critical Level". Communications in Mathematical Physics. 166 (1): 27–62. arXiv:hep-th/9402022. Bibcode:1994CMaPh.166...27F. doi:10.1007/BF02099300.
  3. M. Gaudin (1995). Foreword in: Modèles exactement résolus.
  4. Mehta, Madan Lal; Gaudin, Michel (1960). "On the density of eigenvalues of a random matrix". Nuclear Physics. 18: 420–427. Bibcode:1960NucPh..18..420M. doi:10.1016/0029-5582(60)90414-4.
  5. Collège de France (March 2010). "Fondation Saintour". L'Annuaire du Collège de France. Cours et Travaux (109): 59–71. doi:10.4000/annuaire-cdf.226.
  6. Schütz, Gunter M. (2014). "The Bethe Wavefunction, by Michel Gaudin". Contemporary Physics. 56 (2): 239–240. doi:10.1080/00107514.2014.990992. ISSN 0010-7514.
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