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Observation of E-8 particles in an Ising chain antiferromagnet

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  • معلومة اضافية
    • Publisher Information:
      AMER PHYSICAL SOC 2020
    • نبذة مختصرة :
      Near the transverse-field-induced quantum critical point of the Ising chain, an exotic dynamic spectrum consisting of exactly eight particles was predicted, which is uniquely described by an emergent quantum integrable field theory with the symmetry of the E-8 Lie algebra, but rarely explored experimentally. Here we use high-resolution terahertz spectroscopy to resolve quantum spin dynamics of the quasi-one-dimensional Ising antiferromagnet BaCo2V2O8 in an applied transverse field. By comparing to an analytical calculation of the dynamical spin correlations, we identify E-8 particles as well as their two-particle excitations.
    • الموضوع:
      ddc:no; doc-type:article; publishedVersion
    • Availability:
      Open access content. Open access content
    • Note:
      English
    • Other Numbers:
      K7U oai:USBKOELN.ub.uni-koeln.de:32910
      Zhang, Zhao, Amelin, Kirill, Wang, Xiao ORCID: 0000-0003-2898-3355 , Zou, Haiyuan, Yang, Jiahao, Nagel, Urmas ORCID: 0000-0001-5827-9495 , Room, Toomas, Dey, Tusharkanti, Nugroho, Agustinus Agung ORCID: 0000-0002-1785-4008 , Lorenz, Thomas ORCID: 0000-0003-4832-5157 , Wu, Jianda and Wang, Zhe (2020). Observation of E-8 particles in an Ising chain antiferromagnet. Phys. Rev. B, 101 (22). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969
      1238106548
    • Contributing Source:
      UNIVERSITATS- UND STADTBIBLIOTHEK KOLN
      From OAIster®, provided by the OCLC Cooperative.
    • الرقم المعرف:
      edsoai.on1238106548
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