Dipole oscillations of confined lattice bosons in one dimension
Other Condensed Matter
2009-11-13 v1 Quantum Physics
Abstract
We study the dynamics of a non-integrable system comprising interacting cold bosons trapped in an optical lattice in one-dimension by means of exact time-dependent numerical DMRG techniques. Particles are confined by a parabolic potential, and dipole oscillations are induced by displacing the trap center of a few lattice sites. Depending on the system parameters this motion can vary from undamped to overdamped. We study the dipole oscillations as a function of the lattice displacement, the particle density and the strength of interparticle interactions. These results explain the recent experiment C.D. Fertig et al., Phys. Rev. Lett. 94, 120403 (2005).
Keywords
Cite
@article{arxiv.0810.1665,
title = {Dipole oscillations of confined lattice bosons in one dimension},
author = {Simone Montangero and Rosario Fazio and Peter Zoller and Guido Pupillo},
journal= {arXiv preprint arXiv:0810.1665},
year = {2009}
}
Comments
4 pages, 3 figures