Topologically protected edge states in small Rydberg systems
Quantum Gases
2018-07-25 v1 Atomic Physics
Quantum Physics
Abstract
We propose a simple setup of Rydberg atoms in a honeycomb lattice which gives rise to topologically protected edge states. The proposal is based on the combination of dipolar exchange interaction, which couples the internal angular momentum and the orbital degree of freedom of a Rydberg excitation, and a static magnetic field breaking time reversal symmetry. We demonstrate that for realistic experimental parameters, signatures of topologically protected edge states are present in small systems with as few as 10 atoms. Our analysis paves the way for the experimental realization of Rydberg systems characterized by a topological invariant, providing a promising setup for future application in quantum information.
Cite
@article{arxiv.1803.05293,
title = {Topologically protected edge states in small Rydberg systems},
author = {Sebastian Weber and Sylvain de Léséleuc and Vincent Lienhard and Daniel Barredo and Thierry Lahaye and Antoine Browaeys and Hans Peter Büchler},
journal= {arXiv preprint arXiv:1803.05293},
year = {2018}
}
Comments
6 pages, 6 figures