Light-induced coherence in an atom-cavity system
Quantum Gases
2018-12-05 v2
Abstract
We demonstrate light-induced formation of coherence in a cold atomic gas system that utilizes the suppression of a competing density wave (DW) order. The condensed atoms are placed in an optical cavity and pumped by an external optical standing wave, which induces a long-range interaction mediated by photon scattering and a resulting DW order above a critical pump strength. We show that light-induced temporal modulation of the pump wave can suppress this DW order and restore coherence. This establishes a foundational principle of dynamical control of competing orders analogous to a hypothesized mechanism for light-induced superconductivity in high- cuprates.
Cite
@article{arxiv.1807.02577,
title = {Light-induced coherence in an atom-cavity system},
author = {Christoph Georges and Jayson G. Cosme and Ludwig Mathey and Andreas Hemmerich},
journal= {arXiv preprint arXiv:1807.02577},
year = {2018}
}
Comments
5 page, 3 figures