Journal of Mathematical Sciences

, Volume 129, Issue 1, pp 3557–3565 | Cite as

Many-Particle Models with Two Constants of Interaction

  • V. A. Golubeva


We discuss integrable models of quantum field theory and statistical mechanics. The dynamics and kinematics of these models are defined by Hamiltonians with symmetries determined by Lie algebras. The paper is devoted to the characterization of models such that the root vectors of their symmetry algebras run two orbits under the action of the Weyl group. Such properties possess root systems of the type B N , C N , and G2. The main focus is on models with the symmetry of algebras B N . In this case the main characteristics of the process are obtained from the system of Yang-Baxter equation and the reflection equations.

We consider the Calogero-Moser and Calogero-Sutherland models and also the formalisms of the Lax and Dunkl operators. The connection between these formalisms and method of describing these models in terms of the generalized Knizhnik-Zamolodchikov equations with the system of roots of the type B N by the example of the Gaudin model with reflection are discussed. Examples of many-particle systems that interact with each other with reflections are presented.


Reflection Field Theory Quantum Field Theory Root System Statistical Mechanic 
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© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • V. A. Golubeva
    • 1
  1. 1.All-Russian Institute for Scientific and Technical InformationRussia

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