Abstract

The states of the system of N harmonic oscillators with the fixed complete number of quanta are reduced to the irreducible representations of the group SU(2). In this decomposition the base which was introduced earlier is proved to be one with the greatest dimensionality. The operators and the discrete base of the representation of noncompact group SU(1,1) are constructed in the case of three harmonic oscillators. Finally, the Bargmann representation for the states constructed is discussed.

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