Tuning the interactions of spin-polarized fermions using quasi-one-dimensional confinement
Condensed Matter
2009-11-10 v1
Abstract
The behavior of ultracold atomic gases depends crucially on the two-body scattering properties of these systems. We develop a multichannel scattering theory for atom-atom collisions in quasi-one-dimensional (quasi-1D) geometries such as atomic waveguides or highly elongated traps. We apply our general framework to the low energy scattering of two spin-polarized fermions and show that tightly-confined fermions have infinitely strong interactions at a particular value of the 3D, free-space p-wave scattering volume. Moreover, we describe a mapping of this strongly interacting system of two quasi-1D fermions to a weakly interacting system of two 1D bosons.
Keywords
Cite
@article{arxiv.cond-mat/0307358,
title = {Tuning the interactions of spin-polarized fermions using quasi-one-dimensional confinement},
author = {Brian E. Granger and D. Blume},
journal= {arXiv preprint arXiv:cond-mat/0307358},
year = {2009}
}
Comments
Submitted to Phys. Rev. Lett