دورية أكاديمية
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Complete field-induced spectral response of the spin-1/2 triangular-lattice antiferromagnet CsYbSe 2 .

التفاصيل البيبلوغرافية
العنوان: Complete field-induced spectral response of the spin-1/2 triangular-lattice antiferromagnet CsYbSe 2 .
المؤلفون: Xie T; Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA., Eberharter AA; Institut für Theoretische Physik, Universität Innsbruck, Innsbruck, Austria., Xing J; Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA., Nishimoto S; Department of Physics, Technical University Dresden, 01069 Dresden, Germany.; Institute for Theoretical Solid State Physics, IFW Dresden, 01069 Dresden, Germany., Brando M; Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, D-01187 Dresden, Germany., Khanenko P; Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, D-01187 Dresden, Germany., Sichelschmidt J; Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, D-01187 Dresden, Germany., Turrini AA; Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland., Mazzone DG; Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland., Naumov PG; Quantum Criticality and Dynamics Group, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.; Orange Quantum Systems B.V., Elektronicaweg 2, 2628 XG Delft, The Netherlands., Sanjeewa LD; Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA., Harrison N; National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, NM 87545 USA., Sefat AS; Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA., Normand B; Laboratory for Theoretical and Computational Physics, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.; Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland., Läuchli AM; Laboratory for Theoretical and Computational Physics, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.; Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland., Podlesnyak A; Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA., Nikitin SE; Quantum Criticality and Dynamics Group, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.
المصدر: Npj quantum materials [NPJ Quantum Mater] 2023; Vol. 8 (1), pp. 48. Date of Electronic Publication: 2023 Sep 23.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Springer Nature in partnership with Nanjing University Country of Publication: England NLM ID: 101770235 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2397-4648 (Electronic) Linking ISSN: 23974648 NLM ISO Abbreviation: NPJ Quantum Mater Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: London : Springer Nature in partnership with Nanjing University, 2016-
مستخلص: Fifty years after Anderson's resonating valence-bond proposal, the spin-1/2 triangular-lattice Heisenberg antiferromagnet (TLHAF) remains the ultimate platform to explore highly entangled quantum spin states in proximity to magnetic order. Yb-based delafossites are ideal candidate TLHAF materials, which allow experimental access to the full range of applied in-plane magnetic fields. We perform a systematic neutron scattering study of CsYbSe 2 , first proving the Heisenberg character of the interactions and quantifying the second-neighbor coupling. We then measure the complex evolution of the excitation spectrum, finding extensive continuum features near the 120°-ordered state, throughout the 1/3-magnetization plateau and beyond this up to saturation. We perform cylinder matrix-product-state (MPS) calculations to obtain an unbiased numerical benchmark for the TLHAF and spectacular agreement with the experimental spectra. The measured and calculated longitudinal spectral functions reflect the role of multi-magnon bound and scattering states. These results provide valuable insight into unconventional field-induced spin excitations in frustrated quantum materials.
Competing Interests: Competing interestsThe authors declare no competing interests.
(© The Author(s) 2023.)
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فهرسة مساهمة: Keywords: Magnetic properties and materials
تواريخ الأحداث: Date Created: 20240426 Latest Revision: 20240427
رمز التحديث: 20240427
مُعرف محوري في PubMed: PMC11041694
DOI: 10.1038/s41535-023-00580-9
PMID: 38666238
قاعدة البيانات: MEDLINE
الوصف
تدمد:2397-4648
DOI:10.1038/s41535-023-00580-9