Effects due to a scalar coupling on the particle-antiparticle production in the Duffin-Kemmer-Petiau theory

Details Effects due to a scalar coupling on the particle-antiparticle production in the Duffin-Kemmer-Petiau theory Effects due to a scalar coupling on the particle-antiparticle production in the Duffin-Kemmer-Petiau theory

2009-07-31

arxiv.org/abs/0908.0016v2

Int.J.Theor.Phys.49:10-17,2010

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1007/s10773-009-0172-1

The Duffin-Kemmer-Petiau formalism with vector and scalar potentials is used to point out a few misconceptions diffused in the literature. It is explicitly shown that the scalar coupling makes the DKP formalism not equivalent to the Klein-Gordon formalism or to the Proca formalism, and that the spin-1 sector of the DKP theory looks formally like the spin-0 sector. With proper boundary conditions, scattering of massive bosons in an arbitrary mixed vector-scalar square step potential is explored in a simple way and effects due to the scalar coupling on the particle-antiparticle production and localization of bosons are analyzed in some detail.

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