期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 389, 期 21, 页码 4613-4622出版社
ELSEVIER
DOI: 10.1016/j.physa.2010.07.004
关键词
Perturbation and fractional calculus methods; q-deformed Lie-algebras
Fractional calculus and q-deformed Lie algebras are closely related. Both concepts expand the scope of standard Lie algebras to describe generalized symmetries. A new class of fractional q-deformed Lie algebras is proposed, which for the first time allows a smooth transition between different Lie algebras. The corresponding fractional q-number is derived for a fractional harmonic oscillator. It is shown that the resulting energy spectrum is an appropriate tool to describe, for example, the ground-state spectra of even-even nuclei. In addition, the equivalence of rotational and vibrational spectra for fractional q-deformed Lie algebras is shown and the B alpha (E2) values for the fractional q-deformed symmetric rotor are calculated. A first interpretation of half-integer representations of the fractional rotation group is given in terms of a description of K = 1/2(-) band spectra of odd-even nuclei. (C) 2010 Elsevier B.V. All rights reserved.
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