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Article: Featureless quantum paramagnet with frustrated criticality and competing spiral magnetism on spin-1 honeycomb lattice magnet

TitleFeatureless quantum paramagnet with frustrated criticality and competing spiral magnetism on spin-1 honeycomb lattice magnet
Authors
KeywordsCondensed Matter Physics
Magnetism
Materials Science
Issue Date2020
PublisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/
Citation
Physical Review Research, 2020, v. 2 n. 3, p. 033260:1-033260:10 How to Cite?
AbstractWe study the spin-1 honeycomb lattice magnets with frustrated exchange interactions. The proposed microscopic spin model contains first- and second-neighbor Heisenberg interactions as well as the single-ion anisotropy. We establish a rich phase diagram that includes a featureless quantum paramagnet and various spin spiral states induced by the mechanism of order by quantum disorder. Although the quantum paramagnet is dubbed featureless, it is shown that the magnetic excitations develop a contour degeneracy in the reciprocal space at the band minima. These contour degenerate excitations are responsible for the frustrated criticality from the quantum paramagnet to the ordered phases. This work illustrates the effects of magnetic frustration on both magnetic orderings and the magnetic excitations. We discuss the experimental relevance to various Ni-based honeycomb lattice magnets.
Persistent Identifierhttp://hdl.handle.net/10722/287292
ISSN
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, JQ-
dc.contributor.authorLi, FY-
dc.contributor.authorChen, G-
dc.contributor.authorWang, Z-
dc.date.accessioned2020-09-22T02:58:46Z-
dc.date.available2020-09-22T02:58:46Z-
dc.date.issued2020-
dc.identifier.citationPhysical Review Research, 2020, v. 2 n. 3, p. 033260:1-033260:10-
dc.identifier.issn2643-1564-
dc.identifier.urihttp://hdl.handle.net/10722/287292-
dc.description.abstractWe study the spin-1 honeycomb lattice magnets with frustrated exchange interactions. The proposed microscopic spin model contains first- and second-neighbor Heisenberg interactions as well as the single-ion anisotropy. We establish a rich phase diagram that includes a featureless quantum paramagnet and various spin spiral states induced by the mechanism of order by quantum disorder. Although the quantum paramagnet is dubbed featureless, it is shown that the magnetic excitations develop a contour degeneracy in the reciprocal space at the band minima. These contour degenerate excitations are responsible for the frustrated criticality from the quantum paramagnet to the ordered phases. This work illustrates the effects of magnetic frustration on both magnetic orderings and the magnetic excitations. We discuss the experimental relevance to various Ni-based honeycomb lattice magnets.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/-
dc.relation.ispartofPhysical Review Research-
dc.rightsCopyright [2020] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevResearch.2.033260].-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectCondensed Matter Physics-
dc.subjectMagnetism-
dc.subjectMaterials Science-
dc.titleFeatureless quantum paramagnet with frustrated criticality and competing spiral magnetism on spin-1 honeycomb lattice magnet-
dc.typeArticle-
dc.identifier.emailChen, G: gangchen@hku.hk-
dc.identifier.authorityChen, G=rp02491-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevResearch.2.033260-
dc.identifier.hkuros314468-
dc.identifier.volume2-
dc.identifier.issue3-
dc.identifier.spage033260:1-
dc.identifier.epage033260:10-
dc.identifier.isiWOS:000604155400006-
dc.publisher.placeUnited States-
dc.identifier.issnl2643-1564-

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