Browsing by Subject "Dirac equation"

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    • Emaranhamento intrínseco em sistemas tipo-Dirac 

      Bittencourt, Victor Augusto Sant Anna Valderramos (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Física - PPGF, Câmpus São Carlos, 06/03/2018)
      Dirac equation is supported by a $SU(2) \otimes SU(2)$ group structure, such that its solutions describe two discrete degrees of freedom, intrinsic parity and spin, which in general are entangled. In this work we will ...

    • Existence and multiplicity of solutions for problems involving the Dirac operator 

      Somavilla, Fernanda (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 30/07/2019)
      In this thesis, we study equations that involving the Dirac operator and which have the form $-i \alpha \cdot \nabla u + a \beta u + M(x)u = F_{u}(x,u), em \mathbb{R}^{3},$ where $\alpha = (\alpha_1, \alpha_2, \alpha_3),$ ...