Physics – Quantum Physics
Scientific paper
2010-05-11
Physics
Quantum Physics
4 pages, 3 figures, Accepted in EPL (Europhysics Letters)
Scientific paper
10.1209/0295-5075/90/48001
The Fisher-Shannon complexity is used to quantitatively estimate the contribution of relativistic effects to on the internal disorder of Klein-Gordon single-particle Coulomb systems which is manifest in the rich variety of three-dimensional geometries of its corresponding quantum-mechanical probability density. It is observed that, contrary to the non-relativistic case, the Fisher-Shannon complexity of these relativistic systems does depend on the potential strength (nuclear charge). This is numerically illustrated for pionic atoms. Moreover, its variation with the quantum numbers (n, l, m) is analysed in various ground and excited states. It is found that the relativistic effects enhance when n and/or l are decreasing.
Lopez-Rosa Sheila
Manzano Daniel
Sánchez-Dehesa Jesús
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