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HARMONIC OSCILLATOR IN NONCOMMUTING TWO-DIMENSIONAL SPACE

ANTONY STREKLAS

Department of Mathematics, University of Patras, 26500 Patras, Greece

https://doi.org/10.1142/S0217979207038411Cited by:0 (Source: Crossref)

Abstract

In the present paper, we study a two-dimensional harmonic oscillator in a constant magnetic field in noncommuting space. We use the following Hamiltonian

with commutation relations

and

The parameter λ expresses the presence of the magnetic field. We find the exact propagator of the system and the time evolution of the basic operators. We prove that the system is equivalent to a two-dimensional system where the operators of momentum and coordinates of the second dimension satisfy a deformed commutation relation . The deformation parameter, μ, depends on λ and θ, and is independent of the Hamiltonian. Finally, we investigate the thermodynamic properties of the system in Boltzmann statistics. We find the statistical density matrix and the partition function, which is equivalent to that of a two-dimensional harmonic oscillator with two deformed frequencies Ω₁ and Ω₂.

Keywords:

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Vol. 21, No. 32

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Received 1 November 2006

Keywords

e307

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HARMONIC OSCILLATOR IN NONCOMMUTING TWO-DIMENSIONAL SPACE

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