Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-04-08
Phys.Lett. B383 (1996) 333-338
Physics
High Energy Physics
High Energy Physics - Theory
11 pages
Scientific paper
We generalize the integrable Heisenberg ferromagnet model according to each Hermitian symmetric spaces and address various new aspects of the generalized model. Using the first order formalism of generalized spins which are defined on the coadjoint orbits of arbitrary groups, we construct a Lagrangian of the generalized model from which we obtain the Hamiltonian structure explicitly in the case of $CP(N-1)$ orbit. The gauge equivalence between the generalized Heisenberg ferromagnet and the nonlinear Schr\"{o}dinger models is given. Using the equivalence, we find infinitely many conserved integrals of both models.
Oh Phillial
Park Q.-Han
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