Free field representation of Toda field theories
E. Aldrovandi, L. Bonora, V. Bonservizi, R. Paunov
Abstract
We study the following problem: can a classical sln Toda field theory be represented by means of free bosonic oscillators through a Drinfeld--Sokolov construction? We answer affirmatively in the case of a cylindrical space--time and for real hyperbolic solutions of the Toda field equations. We establish in fact a one--to--one correspondence between such solutions and the space of free left and right bosonic oscillators with coincident zero modes. We discuss the same problem for real singular solutions with non hyperbolic monodromy.
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