Bound state solution of the grassmannian nonlinear sigma model with fermions

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1988-05-19

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Abdalla, E.
Lima-Santos, A. [UNESP]

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We construct the S-matrix for bound state (gauge-invariant) scattering for nonlinear sigma models defined on the manifold SU(n) S(U(p)⊗U(n-p)) with fermions. It is not possible to compute gauge non-singlet matrix elements. In the present language, constraints from higher conservation laws determine the bound state solution. An alternative derivation is also presented. © 1988.

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Physics Letters B, v. 206, n. 2, p. 281-284, 1988.