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Title: Upper bounds on Shannon and Renyi entropies for central potentials

Journal Article · · Journal of Mathematical Physics
DOI:https://doi.org/10.1063/1.3549585· OSTI ID:21501260
 [1];  [2];  [3]
  1. Departamento de Matematica Aplicada, Universidad de Granada, Granada (Spain)
  2. GIPSA-Lab, Domaine universitaire, 38402 St. Martin d'Heres (France)
  3. Departamento de Fisica Atomica, Molecular y Nuclear, Universidad de Granada, Granada (Spain)

The Renyi and Shannon entropies are information-theoretic measures, which have enabled to formulate the position-momentum uncertainty principle in a much more adequate and stringent way than the (variance-based) Heisenberg-like relation. Moreover, they are closely related to various energetic density functionals of quantum systems. Here we derive upper bounds on these quantities in terms of the second-order moment <r{sup 2}> for general central potentials. This improves previous results of this type. The proof uses the Renyi maximization procedure with a covariance constraint due to Costa et al. [in Proceedings of the Fourth International Workshop on Energy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR), edited by A.Rangarajan, M.A. T.Figueiredo, and J.Zerubia (Springer-Verlag, Lisbon, 2003), [Lect. Notes Comput. Sci. 52, 211 (2003).]] The contributions to these bounds coming from the radial and angular parts of the physical wave functions are taken into account. Finally, the application to the d-dimensional (d{>=} 3) hydrogenic and oscillator-like systems is provided.

OSTI ID:
21501260
Journal Information:
Journal of Mathematical Physics, Vol. 52, Issue 2; Other Information: DOI: 10.1063/1.3549585; (c) 2011 American Institute of Physics; ISSN 0022-2488
Country of Publication:
United States
Language:
English