Physics – Mathematical Physics
Scientific paper
2011-10-05
Physics
Mathematical Physics
Talk at the Symposium on Higher Energy Physics, Cosmology and Gravity (Oct. 18-23, 2010, Kyiv, Ukraine) dedicated to 100-th an
Scientific paper
The aim of this paper is to review our results on description of the multi-parameter deformed oscillators and their oscillator algebras. We define generalized (q;\alpha,\beta,\gamma;\nu)-deformed oscillator algebra and study its irreducible representations. The Arik-Coon oscillator with the main relation aa^+ - q a^+a = 1, where q > 1 is embedded in this framework. We find connection of this oscillator with the Askey (1/q)-Hermite polynomials. We construct family of the generalized coherent states associated with these polynomials and give their explicit expression in terms of standard special functions. By means of the solution of appropriate classical Stielties moment problem we prove the (over)completeness relation of these states.
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