Please use this identifier to cite or link to this item:
Title: Non-Abelian adiabatic geometric transformations in a cold strontium gas
Authors: Leroux, Frederic
Miniatura, Christian
Grémaud, Benoît
Wilkowski, David
Rebhi, Riadh
Pandey, K.
Chevy, F.
Keywords: Cold Strontium Gas
Issue Date: 2018
Source: Leroux, F., Pandey, K., Rehbi, R., Chevy, F., Miniatura, C., Grémaud, B., & Wilkowski, D. (2018). Non-Abelian adiabatic geometric transformations in a cold strontium gas. Nature Communications, 9(1), 3580-. doi:10.1038/s41467-018-05865-3
Series/Report no.: Nature Communications
Abstract: Topology, geometry, and gauge fields play key roles in quantum physics as exemplified by fundamental phenomena such as the Aharonov–Bohm effect, the integer quantum Hall effect, the spin Hall, and topological insulators. The concept of topological protection has also become a salient ingredient in many schemes for quantum information processing and fault-tolerant quantum computation. The physical properties of such systems crucially depend on the symmetry group of the underlying holonomy. Here, we study a laser-cooled gas of strontium atoms coupled to laser fields through a four-level resonant tripod scheme. By cycling the relative phases of the tripod beams, we realize non-Abelian SU(2) geometrical transformations acting on the dark states of the system and demonstrate their non-Abelian character. We also reveal how the gauge field imprinted on the atoms impact their internal state dynamics. It leads to a thermometry method based on the interferometric displacement of atoms in the tripod beams.
Rights: © 2018 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

Files in This Item:
File Description SizeFormat 
Non-Abelian adiabatic geometric transformations in a cold strontium gas.pdf633.69 kBAdobe PDFThumbnail

Google ScholarTM



Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.