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Constrained fermionic system and its equivalence with the free parafermionic theory and nonlinear sigma model

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Zeitschrift für Physik C Particles and Fields

Abstract

We construct the parafermionic (of orderq) representation of the Kac-Moody and Virasoro algebra and compare it with a constrained fermionic system. We find that the central charge of the Virasoro algebra of the constrained fermionic system depends on the regularization scheme. Using the path integral method, we demonstrate this dependence for theq=2 case and find that it can have the same central charge as the free parafermionic theory or the non-linear sigma model depending on the regularization scheme. We point out some ambiguity in the quantization of the constrained system in Hamiltonian formulation.

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Authors and Affiliations

  1. Department of Physics and Astronomy, University of Maryland, 20742, College Park, MD, USA

    D. Chang, A. Kumar & R. N. Mohapatra

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  1. D. Chang
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  2. A. Kumar
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  3. R. N. Mohapatra
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Work supported by the National Science Foundation

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Chang, D., Kumar, A. & Mohapatra, R.N. Constrained fermionic system and its equivalence with the free parafermionic theory and nonlinear sigma model. Z. Phys. C - Particles and Fields 32, 417–423 (1986). https://doi.org/10.1007/BF01551839

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  • DOI: https://doi.org/10.1007/BF01551839

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