Abstract
It is shown that the differential calculus of Wess and zumino for the quantum hyperplane is intimately related to theq-difference operator acting on then-dimensional complex space ℂn. An explicit transformation relates the variables and theq-difference operators on ℂn to the variables and the quantum derivatives on the quantum hyperplane. For real values of the quantum parameterq, the consideration of the variables and the derivatives as hermitean conjugates yields a quantum deformation of the Bargmann-Segal Hilbert space of analytic functions on ℂn. Physically such a system can be interpreted as the quantum deformation of then dimensional harmonic oscillator invariant under the unitary quantum groupU q (n) with energy eigenvalues proportional to the basic integers. Finally, a construction of the variables and quantum derivatives on the quantum hyperplane in terms of variables and ordinary derivatives on ℂn is presented.
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Arik, M. Theq-difference operator, the quantum hyperplane, Hilbert spaces of analytic functions andq-oscillators. Z. Phys. C - Particles and Fields 51, 627–632 (1991). https://doi.org/10.1007/BF01565589
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DOI: https://doi.org/10.1007/BF01565589