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Observation of Dicke cooperativity in magnetic interactions

The interaction of two-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... Full description

Journal Title: Science (New York N.Y.), 24 August 2018, Vol.361(6404), pp.794-797
Main Author: Li, Xinwei
Other Authors: Bamba, Motoaki , Yuan, Ning , Zhang, Qi , Zhao, Yage , Xiang, Maolin , Xu, Kai , Jin, Zuanming , Ren, Wei , Ma, Guohong , Cao, Shixun , Turchinovich, Dmitry , Kono, Junichiro
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203 ; PMID: 30139871 Version:1 ; DOI: 10.1126/science.aat5162
Link: http://pubmed.gov/30139871
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recordid: medline30139871
title: Observation of Dicke cooperativity in magnetic interactions
format: Article
creator:
  • 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
subjects:
  • Optics
  • Magnetism
  • Iron
  • Quantum Optics
  • Magnetism
  • Superconductors
  • Atomic Properties
  • Iron
  • Optics
  • Predictive Control
  • Erbium
  • Erbium
  • Vacuum
  • Condensed Matter
  • Coupling
ispartof: Science (New York, N.Y.), 24 August 2018, Vol.361(6404), pp.794-797
description: The interaction of two-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 of paramagnetic erbium(III) (Er) spins with an iron(III) (Fe) magnon field in erbium orthoferrite (ErFeO) 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.
language: eng
source:
identifier: E-ISSN: 1095-9203 ; PMID: 30139871 Version:1 ; DOI: 10.1126/science.aat5162
fulltext: no_fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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titleObservation of Dicke cooperativity in magnetic interactions
creatorLi, 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
ispartofScience (New York, N.Y.), 24 August 2018, Vol.361(6404), pp.794-797
identifier
descriptionThe interaction of two-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 of paramagnetic erbium(III) (Er) spins with an iron(III) (Fe) magnon field in erbium orthoferrite (ErFeO) 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.
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subjectOptics ; Magnetism ; Iron ; Quantum Optics ; Magnetism ; Superconductors ; Atomic Properties ; Iron ; Optics ; Predictive Control ; Erbium ; Erbium ; Vacuum ; Condensed Matter ; Coupling;
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authorLi, 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
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abstractThe interaction of two-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 of paramagnetic erbium(III) (Er) spins with an iron(III) (Fe) magnon field in erbium orthoferrite (ErFeO) 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.
doi10.1126/science.aat5162
pmid30139871
orcidid0000000305552624
date2018-08-24