2015Asian Journal of Fuzzy and Applied MathematicsRequires access

Solution of Dirac Equation in Tensor Formalism in Standard Representation

Sylvestre Bulikunzira

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Abstract

In previous works, Dirac equation for half-spin particle has been written in tensor form, through two isotropic vectors F=E+iH and F'=E'+iH' , by using both the spinor and the standard representation of Dirac matrices. When we use the spinor representation of Dirac matrices, Dirac equation in tensor form takes the form of non-linear Maxwell's like equations for two electromagnetic fields (E,H) and (E',H') . By using the standard representation of Dirac matrices, Dirac equation takes another form different from that obtained by using the spinor representation of Dirac matrices. The solution of Dirac equation in tensor formalism for free particle, with the use of the spinor representation of Dirac matrices has been obtained in the previous work. In this work, we found the solution of Dirac equation in tensor formalism for free particle with the use of the standard representation of Dirac matrices.

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What this paper is about

In previous works, Dirac equation for half-spin particle has been written in tensor form, through two isotropic vectors F=E+iH and F'=E'+iH' , by using both the spinor and the standard representation of Dirac matrices. When we use the spinor representation of Dirac matrices, Dirac equation in tensor form takes the form of non-linear Maxwell's like equations for two electromagnetic fields (E,H) and (E',H') . By using the standard representation of Dirac matrices, Dirac equation takes another form different from that obtained by using the spinor representation of Dirac matrices. The solution of Dirac equation in tensor formalism for free particle, with the use of the spinor representation of Dirac matrices has been obtained in the previous work. In this work, we found the solution of Dirac equation in tensor formalism for free particle with the use of the standard representation of Dirac matrices.

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Available abstract

In previous works, Dirac equation for half-spin particle has been written in tensor form, through two isotropic vectors F=E+iH and F'=E'+iH' , by using both the spinor and the standard representation of Dirac matrices. When we use the spinor representation of Dirac matrices, Dirac equation in tensor form takes the form of non-linear Maxwell's like equations for two electromagnetic fields (E,H) and (E',H') . By using the standard representation of Dirac matrices, Dirac equation takes another form different from that obtained by using the spinor representation of Dirac matrices. The solution of Dirac equation in tensor formalism for free particle, with the use of the spinor representation of Dirac matrices has been obtained in the previous work. In this work, we found the solution of Dirac equation in tensor formalism for free particle with the use of the standard representation of Dirac matrices.

Key concepts: Dirac spinor, Dirac equation, Dirac algebra, Spinor, Gamma matrices, Dirac sea, Two-body Dirac equations, Mathematical physics

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