Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-03-30
J.Math.Phys. 42 (2001) 5202-5211
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, Latex, Accepted for publication in Journal of Mathematical Physics
Scientific paper
The Spinning Particle Model for anyon is analysed in the Batalin-Tyutin scheme of quantisation in extended phase space. Here additional degrees of freedom are introduced in the phase space such that all the constraints in the theory are rendered First Class that is commuting in the sense of Poisson Brackets. Thus the theory can be studied without introducing the Dirac Brackets which appear in the presence of non-commuting or Second Class constraints. In the present case the Dirac Brackets make the configuration space of the anyon non-canonical and also being dynamical variable dependent, poses problems for the quantisation programme. We show that previously obtained results, (e.g. gyromagnetic ratio of anyon being 2), are recovered in the Batalin-Tyutin variable independent sector in the extended space. The Batalin-Tyutin variable contributions are significant and are computable in a straightforward manner. The latter can beunderstood as manifestations of the non-commutative space-time in the enlarged phase space.
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