Navegação por Assunto "Teoria de campos não-lineares"

Resultados 1-4 de 4

    • Chiral bosonization 

      Girotti, Horacio Oscar; Gomes, Marcelo; Rivelles, Victor O.; Silva, Adilson J. da; Kurak, V. (1988) [Artigo de periódico]
      We show that the Dirac-bracket quantization of a single self-dual field leads naturally to the bosonization formulas. We find a numerical parameter describing the soliton charge and unveiling hidden soliton sectors.

    • A consistent noncommutative field theory : the Wess-Zumino model 

      Girotti, Horacio Oscar; Gomes, Marcelo; Rivelles, Victor O.; Silva, Adilson J. da (2000) [Artigo de periódico]
      We show that the noncommutative Wess–Zumino model is renormalizable to all orders of perturbation theory. The noncommutative scalar potential by itself is non-renormalizable but the Yukawa terms demanded by supersymmetry ...

    • Exact form factors of the O(N) σ-model 

      Babujian, Hratchya M.; Foerster, Angela; Karowski, Michael (2013) [Artigo de periódico]
      A general form factor formula for the O(N) σ-model is constructed and applied to several operators. The large N limits of these form factors are computed and compared with the 1/N expansion of the O(N) σ-model in terms of ...

    • The three-dimensional noncommutative nonlinear sigma model in superspace 

      Girotti, Horacio Oscar; Gomes, Marcelo; Petrov, Albert Yu.; Rivelles, Victor O.; Silva, Adilson J. da (2001) [Artigo de periódico]
      We study the superspace formulation of the noncommutative nonlinear supersymmetric O(N) invariant sigma-model in 2+1 dimensions.We prove that the model is renormalizable to all orders of 1/N and explicitly verify that the ...