P,T-invariant system of Chern-Simons fields: Pseudoclassical model and hidden symmetries

Details P,T-invariant system of Chern-Simons fields: Pseudoclassical model and hidden symmetries P,T-invariant system of Chern-Simons fields: Pseudoclassical model and hidden symmetries

1998-03-26

arxiv.org/abs/hep-th/9803221v1

Nucl.Phys. B512 (1998) 295-319

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, LaTeX, no figures

Scientific paper

10.1016/S0550-3213(97)00746-3

We investigate hidden symmetries of P,T-invariant system of topologically massive U(1) gauge fields. For this purpose, we propose a pseudoclassical model giving rise to this field system at the quantum level. The model contains a parameter, which displays a quantization property at the classical and the quantum levels and demonstrates a nontrivial relationship between continuous and discrete symmetries. Analyzing the integrals of motion of the pseudoclassical model, we identify U(1,1) symmetry and S(2,1) supersymmetry as hidden symmetries of the corresponding quantum system. Representing the hidden symmetries in a covariant form, we show that one-particle states realize an irreducible representation of a non-standard super-extension of the (2+1)-dimensional Poincare group labelled by the zero eigenvalue of the superspin.

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