A Neutral Atom and a Charged Wire: From Elastic scattering to Absorption

Details A Neutral Atom and a Charged Wire: From Elastic scattering to Absorption A Neutral Atom and a Charged Wire: From Elastic scattering to Absorption

2000-12-08

arxiv.org/abs/quant-ph/0012039v1

Physics

Quantum Physics

7 pages, to appear in Physical Review A

Scientific paper

10.1103/PhysRevA.63.034701

We solve the problem of a neutral atom interacting with a charged wire, giving rise to an attractive 1/r^2 potential in two dimensions. We show how a suitable average over all possible self-adjoint extensions of the radial Schroedinger Hamiltonian eventually leads to the classical formula for absorption of the atom, a formula shown to be in agreement with a recent experiment.

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