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Title: Observation of Dicke cooperativity in magnetic interactions

Abstract

The interaction ofNtwo-level atoms with a single-mode light field is an extensively studied many-body problem in quantum optics, first analyzed by Dicke in the context of superradiance. A characteristic of such systems is the cooperative enhancement of the coupling strength by a factor of N. In this study, we extended this cooperatively enhanced coupling to a solid-state system, demonstrating that it also occurs in a magnetic solid in the form of matter-matter interaction. Specifically, the exchange interaction ofNparamagnetic erbium(III) (Er 3+) spins with an iron(III) (Fe 3+) magnon field in erbium orthoferrite (ErFeO 3) exhibits a vacuum Rabi splitting whose magnitude is proportional to N. Our results provide a route for understanding, controlling, and predicting novel phases of condensed matter using concepts and tools available in quantum optics.

Authors:
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Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1501365
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Science
Additional Journal Information:
Journal Volume: 361; Journal Issue: 6404; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English

Citation Formats

Li, Xinwei, Bamba, Motoaki, Yuan, Ning, Zhang, Qi, Zhao, Yage, Xiang, Maolin, Xu, Kai, Jin, Zuanming, Ren, Wei, Ma, Guohong, Cao, Shixun, Turchinovich, Dmitry, and Kono, Junichiro. Observation of Dicke cooperativity in magnetic interactions. United States: N. p., 2018. Web. doi:10.1126/science.aat5162.
Li, Xinwei, Bamba, Motoaki, Yuan, Ning, Zhang, Qi, Zhao, Yage, Xiang, Maolin, Xu, Kai, Jin, Zuanming, Ren, Wei, Ma, Guohong, Cao, Shixun, Turchinovich, Dmitry, & Kono, Junichiro. Observation of Dicke cooperativity in magnetic interactions. United States. doi:10.1126/science.aat5162.
Li, Xinwei, Bamba, Motoaki, Yuan, Ning, Zhang, Qi, Zhao, Yage, Xiang, Maolin, Xu, Kai, Jin, Zuanming, Ren, Wei, Ma, Guohong, Cao, Shixun, Turchinovich, Dmitry, and Kono, Junichiro. Thu . "Observation of Dicke cooperativity in magnetic interactions". United States. doi:10.1126/science.aat5162.
@article{osti_1501365,
title = {Observation of Dicke cooperativity in magnetic interactions},
author = {Li, Xinwei and Bamba, Motoaki and Yuan, Ning and Zhang, Qi and Zhao, Yage and Xiang, Maolin and Xu, Kai and Jin, Zuanming and Ren, Wei and Ma, Guohong and Cao, Shixun and Turchinovich, Dmitry and Kono, Junichiro},
abstractNote = {The interaction ofNtwo-level atoms with a single-mode light field is an extensively studied many-body problem in quantum optics, first analyzed by Dicke in the context of superradiance. A characteristic of such systems is the cooperative enhancement of the coupling strength by a factor of N. In this study, we extended this cooperatively enhanced coupling to a solid-state system, demonstrating that it also occurs in a magnetic solid in the form of matter-matter interaction. Specifically, the exchange interaction ofNparamagnetic erbium(III) (Er3+) spins with an iron(III) (Fe3+) magnon field in erbium orthoferrite (ErFeO3) exhibits a vacuum Rabi splitting whose magnitude is proportional to N. Our results provide a route for understanding, controlling, and predicting novel phases of condensed matter using concepts and tools available in quantum optics.},
doi = {10.1126/science.aat5162},
journal = {Science},
issn = {0036-8075},
number = 6404,
volume = 361,
place = {United States},
year = {2018},
month = {8}
}

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