On equivalence of Duffin-Kemmer-Petiau and Klein-Gordon equations

  title={On equivalence of Duffin-Kemmer-Petiau and Klein-Gordon equations},
  author={Vladimir Ya. Fainberg and Bruto Max Pimentel},
  journal={Brazilian Journal of Physics},
A strict proof of equivalence between Duffin-Kemmer-Petiau (DKP) and Klein-Gordon (KG) theories is presented for physical S-matrix elements in the case of charged scalar particles interacting in minimal way with an external or quantized electromagnetic field. First, Hamiltonian canonical approach to DKP theory is developed in matrix form. The theory is then quantized through the construction of the generating functional for Green functions (GF) and the physical matrix elements of S-matrix are… 

Interacting Spin 0 Fields with Torsion via Duffin-Kemmer-Petiau Theory

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We consider massive spin 1 fields, in Riemann-Cartan space-times, described by Duffin-Kemmer-Petiau theory. We show that this approach induces a coupling between the spin 1 field and the space-time

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DKP equation describes spin-0 and spin-1 relativistic particles. Many researchers have been interested in the DKP  equation. In this work, we give an explicit relation between the DKP and the KG

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This work deals with the Duffin–Kemmer–Petiau (DKP) field theory. The structure of the wave functions is analyzed for the scalar and vector sectors for particles with spin 0 and spin 1. The finite ...

LETTER TO THE EDITOR: Galilean covariance and the Duffin-Kemmer-Petiau equation

We use a five-dimensional approach to Galilean covariance to investigate the non-relativistic Duffin-Kemmer-Petiau first-order wave equations for spinless particles. The corresponding representation


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Quesne-Thachuk algebra is a relativistic deformed algebra which leads to a nonzero minimal length. We present the formulation of the Duffin-Kemmer-Petiau field in 1 + 1 space-time based on



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