Abstract
In this paper we carry out an information-theoretic analysis of the \(D\)-dimensional rigid rotator by studying the entropy and complexity measures of its wavefunctions, which are controlled by the hyperspherical harmonics. These measures quantify single and two-fold facets of the rich intrinsic structure of the system which are manifest by the intricate and complex variety of \(D\)-dimensional geometries of the hyperspherical harmonics. We calculate the explicit expressions of the entropic moments and the Rényi entropies as well as the Fisher–Rényi, Fisher–Shannon and LMC complexities of the system. The explicit expression for the last two complexity measures is not yet possible, mainly because the logarithmic functional of the Shannon entropy has not yet been obtained up until now in a closed form.
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Acknowledgments
This work has been partially funded by the Junta-de-Andaluca Grants FQM-207, FQM-7276 and FQM-4643, as well as the MICINN Grant FIS2011-24540
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Dehesa, J.S., Guerrero, A. & Sánchez-Moreno, P. Entropy and complexity analysis of the \(D\)-dimensional rigid rotator and hyperspherical harmonics. J Math Chem 53, 573–589 (2015). https://doi.org/10.1007/s10910-014-0435-9
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DOI: https://doi.org/10.1007/s10910-014-0435-9