Suppression of Quantum Scattering in Strongly Confined Systems
Quantum Physics
2009-11-13 v1
Abstract
We demonstrate that scattering of particles strongly interacting in three dimensions (3D) can be suppressed at low energies in a quasi-one-dimensional (1D) confinement. The underlying mechanism is the interference of the s- and p-wave scattering contributions with large s- and p-wave 3D scattering lengths being a necessary prerequisite. This low-dimensional quantum scattering effect might be useful in "interacting" quasi-1D ultracold atomic gases, guided atom interferometry, and impurity scattering in strongly confined quantum wire-based electronic devices.
Keywords
Cite
@article{arxiv.quant-ph/0610265,
title = {Suppression of Quantum Scattering in Strongly Confined Systems},
author = {J. I. Kim and V. S. Melezhik and P. Schmelcher},
journal= {arXiv preprint arXiv:quant-ph/0610265},
year = {2009}
}
Comments
3 figs, Phys. Rev. Lett. (early November issue)