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The problem of a few quasi-particles in solid-state physics

  • 4. Few-Body Problems
  • Conference paper
  • First Online:
Applications of Self-Adjoint Extensions in Quantum Physics

Part of the book series: Lecture Notes in Physics ((LNP,volume 324))

Abstract

The problem of energy spectrum of a few quasi-particles in a crystal is investigated. The form of the N-magnon Hamiltonian in a Heisenberg ferromagnet is obtained and general spectral properties of the Hamiltonian as a cluster operator are demonstrated. The quasi-particle spectrum in the strong coupling limit, the Efimov effect, the current and noncurrent bound states are also discussed.

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Authors and Affiliations

  1. Institute of Metal Physics, Academy of Sciences, Ural Branch, Kovalevskeya street, 18, Sverdlovsk, USSR

    Alexandr I. Mogilner

Authors
  1. Alexandr I. Mogilner
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Editor information

Pavel Exner Petr Šeba

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© 1989 Springer-Verlag

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Mogilner, A.I. (1989). The problem of a few quasi-particles in solid-state physics. In: Exner, P., Šeba, P. (eds) Applications of Self-Adjoint Extensions in Quantum Physics. Lecture Notes in Physics, vol 324. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0022946

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  • DOI: https://doi.org/10.1007/BFb0022946

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-50883-0

  • Online ISBN: 978-3-540-46104-3

  • eBook Packages: Springer Book Archive

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