Information Entropy and Correlation of the Hooke's Atom

Details Information Entropy and Correlation of the Hooke's Atom Information Entropy and Correlation of the Hooke's Atom

2004-11-02

arxiv.org/abs/quant-ph/0411016v1

Physics

Quantum Physics

8 pages, 5 figures

Scientific paper

We provide an algebraic procedure to find the eigenstates of two-charged particles in an oscillator potential, known as {\it{Hooke's}} atom. For the planar Hooke's atom, the exact eigenstates and single particle densities for arbitrary azimuthal quantum number, are obtained analytically. Information entropies associated with the wave functions for the relative motion are then studied systematically, since the same incorporates the effect of the Coulomb interaction. The {\it{quantum pottery}} of the information entropy density reveals a number of intricate structures, which differ significantly for the attractive and repulsive cases. We indicate the procedure to obtain the approximate eigen states. Making use of the relationship of this dynamical system with the quasi-exactly solvable systems, one can also develop a suitable perturbation theory, involving the Coulomb coupling $Z$, for the approximate wave functions.

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