Operators of the $q$-oscillator

Details Operators of the $q$-oscillator Operators of the $q$-oscillator

2007-11-20

arxiv.org/abs/0711.3073v1

Mathematics

Functional Analysis

14 pp

Scientific paper

We scrutinize the possibility of extending the result of \cite{ccr} to the case of q-deformed oscillator for $q$ real; for this we exploit the whole range of the deformation parameter as much as possible. We split the case into two depending on whether a solution of the commutation relation is bounded or not. Our {\it leitmotif} is {\it subnormality}. The deformation parameter $q$ is reshaped and this is what makes our approach effective. The newly arrived parameter, the operator $C$, has two remarkable properties: it separates in the commutation relation the annihilation and creation operators from the deformation as well as it $q$-commutes with those two. This is why introducing the operator $C$ seems to be far-reaching.

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