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Conformal Transformation and Symplectic Structure of Self-Dual Fields

Yang Kongqing;Luo Yan(Department of Physics,Lanzhou University,Lanzhou 730000)  
Considered two dimensional self-dual fileds,the symplectic structure on the space of sloutions is given.It is shown that this structure is poincare invariant.The Lanrangian of two dimensional self-dual field is invariant under infinite one component conformal group,then this symplectic structure is also invariant under this conformal group.The conserved currents in geometrical formalism are also obtained.
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