Generalised scalar particle quantisation in 1+1 dimensions and $D(2,1;\alpha )$

Abstract

The exceptional superalgebra $\D21a$ has been classified as a candidate conformal supersymmetry algera in two dimensions. We propose an alternative interpretation of it as an extended BFV-BRST quantisation superalgebra in 2D ($D(2,1;1)\simeq osp(2,2|2)$). A superfield realization is presented wherein the standard extended phase space coordinates can be identified. The physical states are studied via the cohomology of the BRST operator. Finally we reverse engineer a classical action corresponding to the algebraic model we have constructed, and identify the Lagrangian equations of motion.

16 pages, no figures

References in corpus (2)

• Covariant scalar representation of $iosp(d,2/2)$ quantization of the scalar relativistic particle
• Covariant spinor representation of $iosp(d,2/2)$ and quantization of the spinning relativistic particle