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 - and -wave scattering contributions with large - and -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.
- Received 7 April 2006
DOI:https://doi.org/10.1103/PhysRevLett.97.193203
©2006 American Physical Society