Quantum Bound States with Zero Binding Energy

Details Quantum Bound States with Zero Binding Energy Quantum Bound States with Zero Binding Energy

1994-05-24

arxiv.org/abs/hep-th/9405154v2

Phys.Lett. A190 (1994) 9

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 4 figures which can be generated from Mathematica commands given at the end of the file. Latex, REVISED--Fig. 4 Math

Scientific paper

10.1016/0375-9601(94)90714-5

After reviewing the general properties of zero-energy quantum states, we give the explicit solutions of the \seq with $E=0$ for the class of potentials $V=-|\gamma|/r^{\nu}$, where $-\infty < \nu < \infty$. For $\nu > 2$, these solutions are normalizable and correspond to bound states, if the angular momentum quantum number $l>0$. [These states are normalizable, even for $l=0$, if we increase the space dimension, $D$, beyond 4; i.e. for $D>4$.] For $\nu <-2$ the above solutions, although unbound, are normalizable. This is true even though the corresponding potentials are repulsive for all $r$. We discuss the physics of these unusual effects.

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