Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1992-10-25
Physics
High Energy Physics
High Energy Physics - Theory
24pp
Scientific paper
This paper reviews the covariant formalism of N=1, D=10 classical superparticle models. It discusses the local invariances of a number of superparticle actions and highlights the problem of finding a covariant quantization scenario. Covariant quantization has proved problematic, but it has motivated in seeking alternative approaches that avoids those found in earlier models. It also shows new covariant superparticle theories formulated in extended spaces that preserve certain canonical form in phase-space, and easy to quantize by using the Batalin-Vilkovisky procedure, as the gauge algebra of their constraints only closes on-shell. The mechanics actions describe particles moving in a superspace consisting of the usual $N=1$ superspace, together with an extra spinor or vector coordinate. A light-cone analysis shows that all these new superparticle models reproduce the physical spectrum of the N=1 super-Yang-Mills theory.
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