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Title: Spatial adiabatic passage of massive quantum particles in an optical Lieb lattice
Authors: Taie, Shintaro
Ichinose, Tomohiro
Ozawa, Hideki
Takahashi, Yoshiro  kyouindb  KAKEN_id
Author's alias: 田家, 慎太郎
一ノ瀬, 友宏
小沢, 秀樹
高橋, 義朗
Keywords: Quantum mechanics
Ultracold gases
Issue Date: 17-Jan-2020
Publisher: Springer Nature
Journal title: Nature Communications
Volume: 11
Thesis number: 257
Abstract: Quantum interference lies at the heart of quantum mechanics. By utilizing destructive interference, it is possible to transfer a physical object between two states without populating an intermediate state which is necessary to connect the initial and final states. A famous application is a technique of stimulated Raman adiabatic passage, where atomic internal states can be transfered with high efficiency regardless of lossy intermediate states. One interesting situation is a case where the initial and final states are spatially well separated. Quantum mechanics allows a particle to move without practical possibility of being found at the intermediate area. Here we demonstrate this spatial adiabatic passage with ultracold atoms in an optical lattice. Key to this is the existence of dark eigenstates forming a flat energy band, with effective transfer between two sublattices being observed. This work sheds light on a study of coherent control of trapped cold atoms.
Description: 量子力学的な粒子の空間断熱移送に成功 --空間を飛び越える粒子--. 京都大学プレスリリース. 2020-01-20.
Rights: © The Author(s) 2020. 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 http://creativecommons.org/licenses/by/4.0/.
URI: http://hdl.handle.net/2433/245415
DOI(Published Version): 10.1038/s41467-019-14165-3
PubMed ID: 31953464
Related Link: http://www.kyoto-u.ac.jp/ja/research/research_results/2019/200117_1.html
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